diff --git a/asterixdb/asterix-app/pom.xml b/asterixdb/asterix-app/pom.xml
index b51d499..52e3cc3 100644
--- a/asterixdb/asterix-app/pom.xml
+++ b/asterixdb/asterix-app/pom.xml
@@ -153,6 +153,7 @@
           <usedDependencies combine.children="append">
             <usedDependency>org.apache.hadoop:hadoop-common</usedDependency>
             <usedDependency>org.apache.asterix:asterix-fuzzyjoin</usedDependency>
+            <usedDependency>org.apache.asterix:asterix-geo</usedDependency>
           </usedDependencies>
           <ignoredUnusedDeclaredDependencies>
             <ignoredUnusedDeclaredDependency>org.apache.asterix:asterix-external-data:zip:*</ignoredUnusedDeclaredDependency>
@@ -650,5 +651,11 @@
       <version>${project.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apache.asterix</groupId>
+      <artifactId>asterix-geo</artifactId>
+      <version>${project.version}</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 </project>
diff --git a/asterixdb/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm b/asterixdb/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
index 822d2c3..5fc2c1e 100644
--- a/asterixdb/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
@@ -50,6 +50,7 @@
 { "DataverseName": "Metadata", "DatatypeName": "double", "Timestamp": "Mon Jan 08 10:27:04 PST 2018" }
 { "DataverseName": "Metadata", "DatatypeName": "duration", "Timestamp": "Mon Jan 08 10:27:04 PST 2018" }
 { "DataverseName": "Metadata", "DatatypeName": "float", "Timestamp": "Mon Jan 08 10:27:04 PST 2018" }
+{ "DataverseName": "Metadata", "DatatypeName": "geometry", "Timestamp": "Mon Jan 08 10:27:04 PST 2018" }
 { "DataverseName": "Metadata", "DatatypeName": "int16", "Timestamp": "Mon Jan 08 10:27:04 PST 2018" }
 { "DataverseName": "Metadata", "DatatypeName": "int32", "Timestamp": "Mon Jan 08 10:27:04 PST 2018" }
 { "DataverseName": "Metadata", "DatatypeName": "int64", "Timestamp": "Mon Jan 08 10:27:04 PST 2018" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/GeoJSONQueries.xml b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/GeoJSONQueries.xml
new file mode 100644
index 0000000..24f4ed6
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/GeoJSONQueries.xml
@@ -0,0 +1,35 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements.  See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership.  The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License.  You may obtain a copy of the License at
+ !
+ !   http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied.  See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<test-group name="geojson">
+    <test-case FilePath="geojson">
+        <compilation-unit name="datatype">
+            <output-dir compare="Text">datatype</output-dir>
+        </compilation-unit>
+    </test-case>
+    <test-case FilePath="geojson">
+        <compilation-unit name="single-method">
+            <output-dir compare="Text">single-method</output-dir>
+        </compilation-unit>
+    </test-case>
+    <test-case FilePath="geojson">
+        <compilation-unit name="two-geometries">
+            <output-dir compare="Text">two-geometries</output-dir>
+        </compilation-unit>
+    </test-case>
+</test-group>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/analysis.12.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/analysis.12.query.sqlpp
new file mode 100644
index 0000000..61a7be6
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/analysis.12.query.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+SELECT VALUE {"PointN": st_point_n(geo.myGeometry,1), "StartPoint":st_start_point(geo.myGeometry),"Envelope":st_envelope(geo.myGeometry)} FROM Geometries geo WHERE geometry_type(geo.myGeometry)="LineString";
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.1.ddl.sqlpp
new file mode 100644
index 0000000..dd378a0
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.1.ddl.sqlpp
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop  dataverse GeoJSON if exists;
+create  dataverse GeoJSON;
+
+use GeoJSON;
+
+CREATE TYPE GeometryType AS{
+  id : int,
+  myGeometry : geometry
+};
+
+CREATE DATASET Geometries (GeometryType) PRIMARY KEY id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.2.update.sqlpp
new file mode 100644
index 0000000..3ab3bc6
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.2.update.sqlpp
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+INSERT INTO Geometries ([
+{"id": 123, "myGeometry": st_geom_from_geojson({"type":"Point","coordinates":[-118.4,33.93]})},
+{"id": 124, "myGeometry": st_geom_from_geojson({"type":"Polygon","coordinates":[[[8.7599721,49.7103028],[8.759997,49.7102752],[8.7600145,49.7102818],[8.7600762,49.7102133],[8.760178,49.7102516],[8.7600914,49.7103478],[8.7599721,49.7103028]]]})},
+{"id": 126, "myGeometry": st_geom_from_geojson({"type":"LineString","coordinates":[[-69.1991349,-12.6006222],[-69.199136,-12.599842],[-69.1982979,-12.5998268],[-69.1982598,-12.599869],[-69.1982188,-12.5998698],[-69.19817,-12.5998707],[-69.198125,-12.5998218],[-69.1973024,-12.5998133],[-69.1972972,-12.6003109],[-69.197394,-12.6003514],[-69.1973906,-12.6009231],[-69.1975115,-12.601026],[-69.1975081,-12.6010968]]})},
+{"id": 127, "myGeometry": st_geom_from_geojson({"type": "MultiPoint","coordinates": [[10, 40], [40, 30], [20, 20], [30, 10]]})},
+{"id": 128, "myGeometry": st_geom_from_geojson({"type": "MultiLineString","coordinates": [[[10, 10], [20, 20], [10, 40]],[[40, 40], [30, 30], [40, 20], [30, 10]]]})},
+{"id": 129, "myGeometry": st_geom_from_geojson({"type": "MultiPolygon","coordinates": [[[[40, 40], [20, 45], [45, 30], [40, 40]]],[[[20, 35], [10, 30], [10, 10], [30, 5], [45, 20], [20, 35]],[[30, 20], [20, 15], [20, 25], [30, 20]]]]})},
+{"id": 130, "myGeometry": st_make_point(-71.1043443253471, 42.3150676015829)},
+{"id": 131, "myGeometry": st_make_point(1.0,2.0,3.0)},
+{"id": 132, "myGeometry": st_make_point(1.0,2.0,3.0,4.0)},
+{"id": 133, "myGeometry": st_geom_from_text('POLYGON((743238 2967416,743238 2967450,743265 2967450,743265.625 2967416,743238 2967416))')},
+{"id": 134, "myGeometry": st_geom_from_wkb(hex("0102000000020000001F85EB51B87E5CC0D34D621058994340105839B4C87E5CC0295C8FC2F5984340"))},
+{"id": 135, "myGeometry": st_line_from_multipoint(st_geom_from_text('MULTIPOINT(1 2 , 4 5 , 7 8 )'))},
+{"id": 136, "myGeometry": st_make_envelope(10, 10, 11, 11, 4326)},
+{"id": 137, "myGeometry": st_geom_from_text("POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))")}
+]);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.3.query.sqlpp
new file mode 100644
index 0000000..540bce1
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/datatype_definition.3.query.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+SELECT * FROM Geometries ORDER BY id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.17.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.17.query.sqlpp
new file mode 100644
index 0000000..beb8879
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.17.query.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+SELECT VALUE {"IsClosed":st_is_closed(geo.myGeometry), "IsCollection":st_is_collection(geo.myGeometry),"IsEmpty":st_is_empty(geo.myGeometry), "IsSimple":st_is_simple(geo.myGeometry)} FROM Geometries geo;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.4.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.4.query.sqlpp
new file mode 100644
index 0000000..4a19b47
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.4.query.sqlpp
@@ -0,0 +1,25 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+SELECT VALUE {"Type": geometry_type(geo.myGeometry), "Area": st_area(geo.myGeometry),
+"Coordinate dimension": st_coord_dim(geo.myGeometry), "Dimension":st_dimension(geo.myGeometry),
+"NPoints":st_n_points(geo.myGeometry), "XMax":st_x_max(geo.myGeometry),"XMin":st_x_min(geo.myGeometry),
+"YMax":st_y_max(geo.myGeometry), "YMin":st_y_min(geo.myGeometry), "Binary": st_as_binary(geo.myGeometry),
+"GeoJSON":st_as_geojson(geo.myGeometry),"WKT":st_as_text(geo.myGeometry)}  FROM Geometries geo;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.5.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.5.query.sqlpp
new file mode 100644
index 0000000..4868d4c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.5.query.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+SELECT VALUE {"X":st_x(geo.myGeometry),"Y":st_y(geo.myGeometry),"Z":st_z(geo.myGeometry), "M":st_m(geo.myGeometry)}  FROM Geometries geo WHERE geometry_type(geo.myGeometry)="Point" ;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.6.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.6.query.sqlpp
new file mode 100644
index 0000000..d7e32a2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.6.query.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+SELECT VALUE {"NumInteriorRings":st_num_interior_rings(geo.myGeometry), "ExteriorRing":st_exterior_ring(geo.myGeometry)}  FROM Geometries geo WHERE geometry_type(geo.myGeometry)="Polygon";
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.9.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.9.query.sqlpp
new file mode 100644
index 0000000..9fb187d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/datatype/primitive.9.query.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON;
+
+SELECT VALUE {"Length": st_length(geo.myGeometry), "Boundary":st_boundary(geo.myGeometry)} FROM Geometries geo WHERE geometry_type(geo.myGeometry)="LineString" OR geometry_type(geo.myGeometry)="MultiLineString" ORDER BY geo.id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/analysis.10.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/analysis.10.query.sqlpp
new file mode 100644
index 0000000..01c2563
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/analysis.10.query.sqlpp
@@ -0,0 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+st_geometry_n(st_geom_from_text('GEOMETRYCOLLECTION(MULTIPOINT(-2 3 , -2 2),LINESTRING(5 5 ,10 10),POLYGON((-7 4.2,-7.1 5,-7.1 4.3,-7 4.2)))'),2);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/predicate.13.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/predicate.13.query.sqlpp
new file mode 100644
index 0000000..28ee45f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/predicate.13.query.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+st_is_collection(st_polygonize([st_geom_from_text("LINESTRING(1 1,2 2,3 3,4 4, 5 5,6 6)"), st_geom_from_text("LINESTRING(0 2,1 2,2 2,3 3,4 2,5 2)")]));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/predicate.14.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/predicate.14.query.sqlpp
new file mode 100644
index 0000000..54b4450
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/predicate.14.query.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+st_is_empty(st_geom_from_text("LINESTRING EMPTY"));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/primitive.7.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/primitive.7.query.sqlpp
new file mode 100644
index 0000000..9924d41
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/single-method/primitive.7.query.sqlpp
@@ -0,0 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+st_num_geometries(st_geom_from_text('GEOMETRYCOLLECTION(MULTIPOINT(-2 3 , -2 2),LINESTRING(5 5 ,10 10),POLYGON((-7 4.2,-7.1 5,-7.1 4.3,-7 4.2)))'));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/analysis.16.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/analysis.16.query.sqlpp
new file mode 100644
index 0000000..3a889b6
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/analysis.16.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON1;
+
+SELECT VALUE {"Union": st_union(geo.myGeometry1, geo.myGeometry2),"Intersection":st_intersection(geo.myGeometry1,
+geo.myGeometry2),"SymDifference":st_sym_difference(geo.myGeometry1,geo.myGeometry2)} FROM Geometries geo;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/datatype_definition.11.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/datatype_definition.11.update.sqlpp
new file mode 100644
index 0000000..7084fe3
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/datatype_definition.11.update.sqlpp
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON1;
+
+INSERT INTO Geometries ([
+{"id": 123, "myGeometry1": st_geom_from_text('LINESTRING(0 0, 1 1, 0 2)'), "myGeometry2": st_geom_from_text('POINT(0 2)')},
+{"id": 124, "myGeometry1": st_geom_from_text("LINESTRING(1 1,2 2,3 3,4 4, 5 5,6 6)"), "myGeometry2": st_geom_from_text("LINESTRING(0 2,1 2,2 2,3 3,4 2,5 2)")},
+{"id": 126, "myGeometry1": st_geom_from_text('POINT(0 0)'), "myGeometry2": st_geom_from_text('LINESTRING ( 0 0, 0 2 )')},
+{"id": 127, "myGeometry1": st_geom_from_text('LINESTRING(1 1,-1 -1,2 3.5,1 3,1 2,2 1)'), "myGeometry2": st_make_point(-1, -1)},
+{"id": 128, "myGeometry1": st_geom_from_text('LINESTRING(1 1,2 2,3 3,4 4, 5 5,6 6)'), "myGeometry2": st_geom_from_text('LINESTRING(0 2,1 2,2 2,3 2,4 2,5 2)')},
+{"id": 129, "myGeometry1": st_geom_from_text('LINESTRING(1 1,2 2,3 3,4 4, 5 5,6 6)'), "myGeometry2": st_geom_from_text('POINT(0 0)')},
+{"id": 130, "myGeometry1": st_geom_from_text('LINESTRING(0 0, 10 10)'), "myGeometry2": st_geom_from_text('LINESTRING(0 0, 5 5, 10 10)')},
+{"id": 131, "myGeometry1": st_geom_from_text('LINESTRING(1 2, 3 4)'), "myGeometry2": st_geom_from_text('LINESTRING(5 6, 7 8)')},
+{"id": 132, "myGeometry1": st_geom_from_text('LINESTRING(0 0, 1 1, 0 2)'), "myGeometry2": st_geom_from_text('POINT(0 2)')},
+{"id": 133, "myGeometry1": st_geom_from_text('POLYGON((0.25 0.25, 0.5 0.25, 0.5 0.5, 0.25 0.5, 0.25 0.25 ))'), "myGeometry2": st_geom_from_text('POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0))')}
+]);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/datatype_definition.8.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/datatype_definition.8.ddl.sqlpp
new file mode 100644
index 0000000..671d151
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/datatype_definition.8.ddl.sqlpp
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop  dataverse GeoJSON1 if exists;
+create  dataverse GeoJSON1;
+
+use GeoJSON1;
+
+CREATE TYPE GeometryType AS{
+  id : int,
+  myGeometry1 : geometry,
+  myGeometry2 : geometry
+};
+
+CREATE DATASET Geometries (GeometryType) PRIMARY KEY id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/primitive.15.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/primitive.15.query.sqlpp
new file mode 100644
index 0000000..74a3fe2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/geojson/two-geometries/primitive.15.query.sqlpp
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+use GeoJSON1;
+
+SELECT VALUE {"Distance":st_distance(geo.myGeometry1, geo.myGeometry2), "Intersects":st_intersects(geo.myGeometry1,
+geo.myGeometry2), "Contains":st_contains(geo.myGeometry1, geo.myGeometry2), "Crosses":st_crosses(geo.myGeometry1,
+geo.myGeometry2), "Disjoint":st_disjoint(geo.myGeometry1, geo.myGeometry2), "Equals":st_equals(geo.myGeometry1,
+geo.myGeometry2), "Overlaps":st_overlaps(geo.myGeometry1, geo.myGeometry2), "Relate":st_relate(geo.myGeometry1,
+geo.myGeometry2, "FF1FF0102"), "Touches":st_touches(geo.myGeometry1, geo.myGeometry2), "Within":st_within(
+geo.myGeometry1, geo.myGeometry2)} FROM Geometries geo;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/datatype.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/datatype.3.adm
new file mode 100644
index 0000000..2a16ab1
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/datatype.3.adm
@@ -0,0 +1,14 @@
+{ "Geometries": { "id": 123, "myGeometry": {"type":"Point","coordinates":[-118.4,33.93],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 124, "myGeometry": {"type":"Polygon","coordinates":[[[8.7599721,49.7103028],[8.759997,49.7102752],[8.7600145,49.7102818],[8.7600762,49.7102133],[8.760178,49.7102516],[8.7600914,49.7103478],[8.7599721,49.7103028]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 126, "myGeometry": {"type":"LineString","coordinates":[[-69.1991349,-12.6006222],[-69.199136,-12.599842],[-69.1982979,-12.5998268],[-69.1982598,-12.599869],[-69.1982188,-12.5998698],[-69.19817,-12.5998707],[-69.198125,-12.5998218],[-69.1973024,-12.5998133],[-69.1972972,-12.6003109],[-69.197394,-12.6003514],[-69.1973906,-12.6009231],[-69.1975115,-12.601026],[-69.1975081,-12.6010968]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 127, "myGeometry": {"type":"MultiPoint","coordinates":[[10,40],[40,30],[20,20],[30,10]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 128, "myGeometry": {"type":"MultiLineString","coordinates":[[[10,10],[20,20],[10,40]],[[40,40],[30,30],[40,20],[30,10]]],"crs":null} } }
+{ "Geometries": { "id": 129, "myGeometry": {"type":"MultiPolygon","coordinates":[[[[40,40],[20,45],[45,30],[40,40]]],[[[20,35],[10,30],[10,10],[30,5],[45,20],[20,35]],[[30,20],[20,15],[20,25],[30,20]]]],"crs":null} } }
+{ "Geometries": { "id": 130, "myGeometry": {"type":"Point","coordinates":[-71.1043443253471,42.3150676015829],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 131, "myGeometry": {"type":"Point","coordinates":[1,2,3],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 132, "myGeometry": {"type":"Point","coordinates":[1,2,3,4],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 133, "myGeometry": {"type":"Polygon","coordinates":[[[743238,2967416],[743265.625,2967416],[743265,2967450],[743238,2967450],[743238,2967416]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 134, "myGeometry": {"type":"LineString","coordinates":[[-113.98,39.198],[-113.981,39.195]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 135, "myGeometry": {"type":"LineString","coordinates":[[1,2],[4,5],[7,8]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 136, "myGeometry": {"type":"Polygon","coordinates":[[[10,10],[11,10],[11,11],[10,11],[10,10]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
+{ "Geometries": { "id": 137, "myGeometry": {"type":"Polygon","coordinates":[[[35,10],[45,45],[15,40],[10,20],[35,10]],[[20,30],[35,35],[30,20],[20,30]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} } }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.12.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.12.adm
new file mode 100644
index 0000000..b9029e3
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.12.adm
@@ -0,0 +1,3 @@
+{ "PointN": {"type":"Point","coordinates":[-69.199136,-12.599842],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "StartPoint": {"type":"Point","coordinates":[-69.1991349,-12.6006222],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Envelope": {"type":"Polygon","coordinates":[[[-69.199136,-12.6010968],[-69.1972972,-12.6010968],[-69.1972972,-12.5998133],[-69.199136,-12.5998133],[-69.199136,-12.6010968]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "PointN": {"type":"Point","coordinates":[-69.199136,-12.599842],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "StartPoint": {"type":"Point","coordinates":[1,2],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Envelope": {"type":"Polygon","coordinates":[[[1,2],[7,2],[7,8],[1,8],[1,2]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "PointN": {"type":"Point","coordinates":[-113.981,39.195],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "StartPoint": {"type":"Point","coordinates":[-113.98,39.198],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Envelope": {"type":"Polygon","coordinates":[[[-113.981,39.195],[-113.98,39.195],[-113.98,39.198],[-113.981,39.198],[-113.981,39.195]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.17.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.17.adm
new file mode 100644
index 0000000..048a6b6
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.17.adm
@@ -0,0 +1,14 @@
+{ "IsClosed": false, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": false, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": true, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": true, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": false, "IsCollection": true, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": false, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
+{ "IsClosed": true, "IsCollection": false, "IsEmpty": false, "IsSimple": true }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.4.adm
new file mode 100644
index 0000000..3af2594
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.4.adm
@@ -0,0 +1,14 @@
+{ "Type": "LineString", "Area": 0.0, "Coordinate dimension": 2, "Dimension": 1, "NPoints": 13, "XMax": -69.1972972, "XMin": -69.199136, "YMax": -12.5998133, "YMin": -12.6010968, "Binary": hex("01020000000D00000081BF4EA0BE4C51C0CE80C4C0843329C033DDEBA4BE4C51C0D388997D1E3329C064D7ACE9B04C51C05787927F1C3329C02347DF49B04C51C0B9C49107223329C0F4DCE79DAF4C51C054B76922223329C0184339D1AE4C51C042A89C40223329C048E17A14AE4C51C010DBCCD71B3329C007DB3E9AA04C51C0636996BA1A3329C0E9656F84A04C51C05ADD45F35B3329C04E9B711AA24C51C033373A42613329C06CE22E0CA24C51C066D24B31AC3329C05F454607A44C51C065170CAEB93329C07C8C03F9A34C51C0E475B3F5C23329C0"), "GeoJSON": "{\"type\":\"LineString\",\"coordinates\":[[-69.1991349,-12.6006222],[-69.199136,-12.599842],[-69.1982979,-12.5998268],[-69.1982598,-12.599869],[-69.1982188,-12.5998698],[-69.19817,-12.5998707],[-69.198125,-12.5998218],[-69.1973024,-12.5998133],[-69.1972972,-12.6003109],[-69.197394,-12.6003514],[-69.1973906,-12.6009231],[-69.1975115,-12.601026],[-69.1975081,-12.6010968]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "LINESTRING (-69.1991349 -12.6006222, -69.199136 -12.599842, -69.1982979 -12.5998268, -69.1982598 -12.599869, -69.1982188 -12.5998698, -69.19817 -12.5998707, -69.198125 -12.5998218, -69.1973024 -12.5998133, -69.1972972 -12.6003109, -69.197394 -12.6003514, -69.1973906 -12.6009231, -69.1975115 -12.601026, -69.1975081 -12.6010968)" }
+{ "Type": "LineString", "Area": 0.0, "Coordinate dimension": 2, "Dimension": 1, "NPoints": 3, "XMax": 7.0, "XMin": 1.0, "YMax": 8.0, "YMin": 2.0, "Binary": hex("010200000003000000000000000000F03F0000000000000040000000000000104000000000000014400000000000001C400000000000002040"), "GeoJSON": "{\"type\":\"LineString\",\"coordinates\":[[1,2],[4,5],[7,8]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "LINESTRING (1 2, 4 5, 7 8)" }
+{ "Type": "MultiPoint", "Area": 0.0, "Coordinate dimension": 2, "Dimension": 0, "NPoints": 4, "XMax": 40.0, "XMin": 10.0, "YMax": 40.0, "YMin": 10.0, "Binary": hex("010400000004000000010100000000000000000024400000000000004440010100000000000000000044400000000000003E4001010000000000000000003440000000000000344001010000000000000000003E400000000000002440"), "GeoJSON": "{\"type\":\"MultiPoint\",\"coordinates\":[[10,40],[40,30],[20,20],[30,10]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "MULTIPOINT ((10 40), (40 30), (20 20), (30 10))" }
+{ "Type": "MultiPolygon", "Area": 712.5, "Coordinate dimension": 2, "Dimension": 2, "NPoints": 11, "XMax": 45.0, "XMin": 10.0, "YMax": 45.0, "YMin": 5.0, "Binary": hex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eoJSON": "{\"type\":\"MultiPolygon\",\"coordinates\":[[[[40,40],[20,45],[45,30],[40,40]]],[[[20,35],[10,30],[10,10],[30,5],[45,20],[20,35]],[[30,20],[20,15],[20,25],[30,20]]]],\"crs\":null}", "WKT": "MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)), ((20 35, 10 30, 10 10, 30 5, 45 20, 20 35), (30 20, 20 15, 20 25, 30 20)))" }
+{ "Type": "Point", "Area": 0.0, "Coordinate dimension": 2, "Dimension": 0, "NPoints": 1, "XMax": -71.1043443253471, "XMin": -71.1043443253471, "YMax": 42.3150676015829, "YMin": 42.3150676015829, "Binary": hex("0101000000E538D293ADC651C0F3699A2254284540"), "GeoJSON": "{\"type\":\"Point\",\"coordinates\":[-71.1043443253471,42.3150676015829],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POINT (-71.1043443253471 42.3150676015829)" }
+{ "Type": "Point", "Area": 0.0, "Coordinate dimension": 3, "Dimension": 0, "NPoints": 1, "XMax": 1.0, "XMin": 1.0, "YMax": 2.0, "YMin": 2.0, "Binary": hex("01E9030000000000000000F03F00000000000000400000000000000840"), "GeoJSON": "{\"type\":\"Point\",\"coordinates\":[1,2,3],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POINT Z (1 2 3)" }
+{ "Type": "Polygon", "Area": 1.3755215000294761E-8, "Coordinate dimension": 2, "Dimension": 2, "NPoints": 6, "XMax": 8.760178, "XMin": 8.7599721, "YMax": 49.7103478, "YMin": 49.7102133, "Binary": hex("01030000000100000007000000B1BE26101B852140ED20C033EBDA4840C11DA8531E8521407694394CEADA4840BAF8DB9E20852140D5F89683EADA484098EF2AB5288521409557F844E8DA48400247020D3685214041F74086E9DA484014F131B32A8521408DE43CADECDA4840B1BE26101B852140ED20C033EBDA4840"), "GeoJSON": "{\"type\":\"Polygon\",\"coordinates\":[[[8.7599721,49.7103028],[8.759997,49.7102752],[8.7600145,49.7102818],[8.7600762,49.7102133],[8.760178,49.7102516],[8.7600914,49.7103478],[8.7599721,49.7103028]]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POLYGON ((8.7599721 49.7103028, 8.759997 49.7102752, 8.7600145 49.7102818, 8.7600762 49.7102133, 8.760178 49.7102516, 8.7600914 49.7103478, 8.7599721 49.7103028))" }
+{ "Type": "MultiLineString", "Area": 0.0, "Coordinate dimension": 2, "Dimension": 1, "NPoints": 7, "XMax": 40.0, "XMin": 10.0, "YMax": 40.0, "YMin": 10.0, "Binary": hex("010500000002000000010200000003000000000000000000244000000000000024400000000000003440000000000000344000000000000024400000000000004440010200000004000000000000000000444000000000000044400000000000003E400000000000003E40000000000000444000000000000034400000000000003E400000000000002440"), "GeoJSON": "{\"type\":\"MultiLineString\",\"coordinates\":[[[10,10],[20,20],[10,40]],[[40,40],[30,30],[40,20],[30,10]]],\"crs\":null}", "WKT": "MULTILINESTRING ((10 10, 20 20, 10 40), (40 40, 30 30, 40 20, 30 10))" }
+{ "Type": "Point", "Area": 0.0, "Coordinate dimension": 4, "Dimension": 0, "NPoints": 1, "XMax": 1.0, "XMin": 1.0, "YMax": 2.0, "YMin": 2.0, "Binary": hex("01B90B0000000000000000F03F000000000000004000000000000008400000000000001040"), "GeoJSON": "{\"type\":\"Point\",\"coordinates\":[1,2,3,4],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POINT ZM (1 2 3 4)" }
+{ "Type": "Polygon", "Area": 928.625, "Coordinate dimension": 2, "Dimension": 2, "NPoints": 4, "XMax": 743265.625, "XMin": 743238.0, "YMax": 2967450.0, "YMin": 2967416.0, "Binary": hex("01030000000100000005000000000000008CAE264100000000BCA3464100000040C3AE264100000000BCA3464100000000C2AE264100000000CDA34641000000008CAE264100000000CDA34641000000008CAE264100000000BCA34641"), "GeoJSON": "{\"type\":\"Polygon\",\"coordinates\":[[[743238,2967416],[743265.625,2967416],[743265,2967450],[743238,2967450],[743238,2967416]]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POLYGON ((743238 2967416, 743265.625 2967416, 743265 2967450, 743238 2967450, 743238 2967416))" }
+{ "Type": "LineString", "Area": 0.0, "Coordinate dimension": 2, "Dimension": 1, "NPoints": 2, "XMax": -113.98, "XMin": -113.981, "YMax": 39.198, "YMin": 39.195, "Binary": hex("0102000000020000001F85EB51B87E5CC0D34D621058994340105839B4C87E5CC0295C8FC2F5984340"), "GeoJSON": "{\"type\":\"LineString\",\"coordinates\":[[-113.98,39.198],[-113.981,39.195]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "LINESTRING (-113.98 39.198, -113.981 39.195)" }
+{ "Type": "Polygon", "Area": 1.0, "Coordinate dimension": 2, "Dimension": 2, "NPoints": 4, "XMax": 11.0, "XMin": 10.0, "YMax": 11.0, "YMin": 10.0, "Binary": hex("010300000001000000050000000000000000002440000000000000244000000000000026400000000000002440000000000000264000000000000026400000000000002440000000000000264000000000000024400000000000002440"), "GeoJSON": "{\"type\":\"Polygon\",\"coordinates\":[[[10,10],[11,10],[11,11],[10,11],[10,10]]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POLYGON ((10 10, 11 10, 11 11, 10 11, 10 10))" }
+{ "Type": "Point", "Area": 0.0, "Coordinate dimension": 2, "Dimension": 0, "NPoints": 1, "XMax": -118.4, "XMin": -118.4, "YMax": 33.93, "YMin": 33.93, "Binary": hex("01010000009A99999999995DC0D7A3703D0AF74040"), "GeoJSON": "{\"type\":\"Point\",\"coordinates\":[-118.4,33.93],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POINT (-118.4 33.93)" }
+{ "Type": "Polygon", "Area": 675.0, "Coordinate dimension": 2, "Dimension": 2, "NPoints": 7, "XMax": 45.0, "XMin": 10.0, "YMax": 45.0, "YMin": 10.0, "Binary": hex("0103000000020000000500000000000000008041400000000000002440000000000080464000000000008046400000000000002E40000000000000444000000000000024400000000000003440000000000080414000000000000024400400000000000000000034400000000000003E40000000000080414000000000008041400000000000003E40000000000000344000000000000034400000000000003E40"), "GeoJSON": "{\"type\":\"Polygon\",\"coordinates\":[[[35,10],[45,45],[15,40],[10,20],[35,10]],[[20,30],[35,35],[30,20],[20,30]]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", "WKT": "POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10), (20 30, 35 35, 30 20, 20 30))" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.5.adm
new file mode 100644
index 0000000..950f68f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.5.adm
@@ -0,0 +1,4 @@
+{ "X": -71.1043443253471, "Y": 42.3150676015829, "Z": 0.0, "M": NaN }
+{ "X": 1.0, "Y": 2.0, "Z": 3.0, "M": NaN }
+{ "X": 1.0, "Y": 2.0, "Z": 3.0, "M": 4.0 }
+{ "X": -118.4, "Y": 33.93, "Z": 0.0, "M": NaN }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.6.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.6.adm
new file mode 100644
index 0000000..044e31a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.6.adm
@@ -0,0 +1,4 @@
+{ "NumInteriorRings": 0, "ExteriorRing": {"type":"LineString","coordinates":[[8.7599721,49.7103028],[8.759997,49.7102752],[8.7600145,49.7102818],[8.7600762,49.7102133],[8.760178,49.7102516],[8.7600914,49.7103478],[8.7599721,49.7103028]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "NumInteriorRings": 0, "ExteriorRing": {"type":"LineString","coordinates":[[743238,2967416],[743265.625,2967416],[743265,2967450],[743238,2967450],[743238,2967416]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "NumInteriorRings": 0, "ExteriorRing": {"type":"LineString","coordinates":[[10,10],[11,10],[11,11],[10,11],[10,10]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "NumInteriorRings": 1, "ExteriorRing": {"type":"LineString","coordinates":[[35,10],[45,45],[15,40],[10,20],[35,10]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.9.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.9.adm
new file mode 100644
index 0000000..7967722
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/datatype/result.9.adm
@@ -0,0 +1,4 @@
+{ "Length": 0.004058119099397876, "Boundary": {"type":"MultiPoint","coordinates":[[-69.1991349,-12.6006222],[-69.1975081,-12.6010968]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Length": 78.9292222699217, "Boundary": {"type":"MultiPoint","coordinates":[[10,10],[10,40],[40,40],[30,10]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Length": 0.0031622776601655037, "Boundary": {"type":"MultiPoint","coordinates":[[-113.98,39.198],[-113.981,39.195]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Length": 8.48528137423857, "Boundary": {"type":"MultiPoint","coordinates":[[1,2],[7,8]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.10.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.10.adm
new file mode 100644
index 0000000..a1e16dd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.10.adm
@@ -0,0 +1 @@
+{"type":"Polygon","coordinates":[[[-7,4.2],[-7.1,5],[-7.1,4.3],[-7,4.2]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.13.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.13.adm
new file mode 100644
index 0000000..f32a580
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.13.adm
@@ -0,0 +1 @@
+true
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.14.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.14.adm
new file mode 100644
index 0000000..f32a580
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.14.adm
@@ -0,0 +1 @@
+true
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.7.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.7.adm
new file mode 100644
index 0000000..e440e5c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/single-method/result.7.adm
@@ -0,0 +1 @@
+3
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/two-geometries/result.15.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/two-geometries/result.15.adm
new file mode 100644
index 0000000..f884259
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/two-geometries/result.15.adm
@@ -0,0 +1,10 @@
+{ "Distance": 0.0, "Intersects": true, "Contains": false, "Crosses": false, "Disjoint": false, "Equals": false, "Overlaps": false, "Relate": false, "Touches": true, "Within": false }
+{ "Distance": 0.0, "Intersects": true, "Contains": true, "Crosses": false, "Disjoint": false, "Equals": false, "Overlaps": false, "Relate": false, "Touches": false, "Within": false }
+{ "Distance": 1.4142135623730951, "Intersects": false, "Contains": false, "Crosses": false, "Disjoint": true, "Equals": false, "Overlaps": false, "Relate": false, "Touches": false, "Within": false }
+{ "Distance": 0.0, "Intersects": true, "Contains": true, "Crosses": false, "Disjoint": false, "Equals": true, "Overlaps": false, "Relate": false, "Touches": false, "Within": true }
+{ "Distance": 2.8284271247461903, "Intersects": false, "Contains": false, "Crosses": false, "Disjoint": true, "Equals": false, "Overlaps": false, "Relate": false, "Touches": false, "Within": false }
+{ "Distance": 0.0, "Intersects": true, "Contains": false, "Crosses": false, "Disjoint": false, "Equals": false, "Overlaps": true, "Relate": false, "Touches": false, "Within": false }
+{ "Distance": 0.0, "Intersects": true, "Contains": false, "Crosses": true, "Disjoint": false, "Equals": false, "Overlaps": false, "Relate": false, "Touches": false, "Within": false }
+{ "Distance": 0.0, "Intersects": true, "Contains": false, "Crosses": false, "Disjoint": false, "Equals": false, "Overlaps": false, "Relate": false, "Touches": true, "Within": false }
+{ "Distance": 0.0, "Intersects": true, "Contains": false, "Crosses": false, "Disjoint": false, "Equals": false, "Overlaps": false, "Relate": false, "Touches": false, "Within": true }
+{ "Distance": 0.0, "Intersects": true, "Contains": false, "Crosses": false, "Disjoint": false, "Equals": false, "Overlaps": false, "Relate": false, "Touches": true, "Within": false }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/two-geometries/result.16.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/two-geometries/result.16.adm
new file mode 100644
index 0000000..d9b7206
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/geojson/two-geometries/result.16.adm
@@ -0,0 +1,10 @@
+{ "Union": {"type":"LineString","coordinates":[[0,0],[0,2]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Intersection": {"type":"Point","coordinates":[0,0],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"LineString","coordinates":[[0,0],[0,2]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Union": {"type":"LineString","coordinates":[[1,1],[-1,-1],[2,3.5],[1,3],[1,2],[2,1]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Intersection": {"type":"Point","coordinates":[-1,-1],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"LineString","coordinates":[[1,1],[-1,-1],[2,3.5],[1,3],[1,2],[2,1]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Union": {"type":"LineString","coordinates":[[1,1],[2,2],[3,3],[4,4],[5,5],[6,6]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Intersection": {"type":"MultiPolygon","coordinates":[],"crs":null}, "SymDifference": {"type":"LineString","coordinates":[[1,1],[2,2],[3,3],[4,4],[5,5],[6,6]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Union": {"type":"LineString","coordinates":[[0,0],[5,5],[10,10]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Intersection": {"type":"LineString","coordinates":[[0,0],[5,5],[10,10]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"MultiLineString","coordinates":[],"crs":null} }
+{ "Union": {"type":"MultiLineString","coordinates":[[[1,2],[3,4]],[[5,6],[7,8]]],"crs":null}, "Intersection": {"type":"MultiPolygon","coordinates":[],"crs":null}, "SymDifference": {"type":"MultiLineString","coordinates":[[[1,2],[3,4]],[[5,6],[7,8]]],"crs":null} }
+{ "Union": {"type":"MultiLineString","coordinates":[[[1,1],[2,2]],[[0,2],[1,2],[2,2]],[[2,2],[3,3]],[[3,3],[4,2],[5,2]],[[3,3],[4,4],[5,5],[6,6]]],"crs":null}, "Intersection": {"type":"LineString","coordinates":[[2,2],[3,3]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"MultiLineString","coordinates":[[[0,2],[1,2],[2,2],[1,1]],[[5,2],[4,2],[3,3],[4,4],[5,5],[6,6]]],"crs":null} }
+{ "Union": {"type":"MultiLineString","coordinates":[[[1,1],[2,2]],[[0,2],[1,2],[2,2]],[[2,2],[3,2],[4,2],[5,2]],[[2,2],[3,3],[4,4],[5,5],[6,6]]],"crs":null}, "Intersection": {"type":"Point","coordinates":[2,2],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"MultiLineString","coordinates":[[[1,1],[2,2]],[[0,2],[1,2],[2,2]],[[2,2],[3,2],[4,2],[5,2]],[[2,2],[3,3],[4,4],[5,5],[6,6]]],"crs":null} }
+{ "Union": {"type":"LineString","coordinates":[[0,0],[1,1],[0,2]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Intersection": {"type":"Point","coordinates":[0,2],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"LineString","coordinates":[[0,0],[1,1],[0,2]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Union": {"type":"Polygon","coordinates":[[[0,0],[1,0],[1,1],[0,1],[0,0]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Intersection": {"type":"Polygon","coordinates":[[[0.25,0.25],[0.5,0.25],[0.5,0.5],[0.25,0.5],[0.25,0.25]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"Polygon","coordinates":[[[0,0],[1,0],[1,1],[0,1],[0,0]],[[0.25,0.25],[0.25,0.5],[0.5,0.5],[0.5,0.25],[0.25,0.25]]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
+{ "Union": {"type":"LineString","coordinates":[[0,0],[1,1],[0,2]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "Intersection": {"type":"Point","coordinates":[0,2],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}}, "SymDifference": {"type":"LineString","coordinates":[[0,0],[1,1],[0,2]],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
index 0967ba6..6292e2d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
@@ -19,6 +19,7 @@
 <!DOCTYPE test-suite [
   <!ENTITY ObjectsQueries SYSTEM "queries_sqlpp/objects/ObjectsQueries.xml">
   <!ENTITY AsyncDeferredQueries SYSTEM "queries_sqlpp/async-deferred/AsyncDeferredQueries.xml">
+  <!ENTITY GeoQueries SYSTEM "queries_sqlpp/geojson/GeoJSONQueries.xml">
 ]>
 <test-suite xmlns="urn:xml.testframework.asterix.apache.org" ResultOffsetPath="results" QueryOffsetPath="queries_sqlpp" QueryFileExtension=".sqlpp">
   &AsyncDeferredQueries;
@@ -9749,4 +9750,5 @@
       </compilation-unit>
     </test-case>
   </test-group>
+  &GeoQueries;
 </test-suite>
diff --git a/asterixdb/asterix-external-data/pom.xml b/asterixdb/asterix-external-data/pom.xml
index 521e176..d88b05e 100644
--- a/asterixdb/asterix-external-data/pom.xml
+++ b/asterixdb/asterix-external-data/pom.xml
@@ -416,5 +416,10 @@
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
     </dependency>
+	<dependency>
+	  <groupId>com.esri.geometry</groupId>
+	  <artifactId>esri-geometry-api</artifactId>
+	  <version>2.0.0</version>
+	</dependency>
   </dependencies>
 </project>
diff --git a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/ADMDataParser.java b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/ADMDataParser.java
index c0ccf11..216cadb 100644
--- a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/ADMDataParser.java
+++ b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/ADMDataParser.java
@@ -39,6 +39,7 @@
 import org.apache.asterix.external.api.IRecordDataParser;
 import org.apache.asterix.external.api.IStreamDataParser;
 import org.apache.asterix.om.base.ABoolean;
+import org.apache.asterix.om.base.AGeometry;
 import org.apache.asterix.om.base.ANull;
 import org.apache.asterix.om.base.temporal.GregorianCalendarSystem;
 import org.apache.asterix.om.types.AOrderedListType;
@@ -46,6 +47,7 @@
 import org.apache.asterix.om.types.ATypeTag;
 import org.apache.asterix.om.types.AUnionType;
 import org.apache.asterix.om.types.AUnorderedListType;
+import org.apache.asterix.om.types.BuiltinType;
 import org.apache.asterix.om.types.IAType;
 import org.apache.asterix.om.types.hierachy.ATypeHierarchy;
 import org.apache.asterix.om.types.hierachy.ITypeConvertComputer;
@@ -264,6 +266,13 @@
                             admLexer.getLastTokenImage().substring(1, admLexer.getLastTokenImage().length() - 1);
                     aUUID.parseUUIDString(tokenImage);
                     uuidSerde.serialize(aUUID, out);
+                } else if (checkType(ATypeTag.GEOMETRY, objectType)) {
+                    // Parse the string as a WKT-encoded geometry
+                    String tokenImage =
+                            admLexer.getLastTokenImage().substring(1, admLexer.getLastTokenImage().length() - 1);
+                    aGeomtry.parseWKT(tokenImage);
+                    out.writeByte(ATypeTag.GEOMETRY.serialize());
+                    geomSerde.serialize(aGeomtry, out);
                 } else {
                     throw new ParseException(ErrorCode.PARSER_ADM_DATA_PARSER_TYPE_MISMATCH, objectType.getTypeName());
                 }
diff --git a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/AbstractDataParser.java b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/AbstractDataParser.java
index 8351931..88fcc8d 100644
--- a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/AbstractDataParser.java
+++ b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/parser/AbstractDataParser.java
@@ -31,6 +31,7 @@
 import org.apache.asterix.om.base.ADouble;
 import org.apache.asterix.om.base.ADuration;
 import org.apache.asterix.om.base.AFloat;
+import org.apache.asterix.om.base.AGeometry;
 import org.apache.asterix.om.base.AInt16;
 import org.apache.asterix.om.base.AInt32;
 import org.apache.asterix.om.base.AInt64;
@@ -45,6 +46,7 @@
 import org.apache.asterix.om.base.AMutableDouble;
 import org.apache.asterix.om.base.AMutableDuration;
 import org.apache.asterix.om.base.AMutableFloat;
+import org.apache.asterix.om.base.AMutableGeometry;
 import org.apache.asterix.om.base.AMutableInt16;
 import org.apache.asterix.om.base.AMutableInt32;
 import org.apache.asterix.om.base.AMutableInt64;
@@ -93,6 +95,7 @@
     protected AMutableBinary aBinary = new AMutableBinary(null, 0, 0);
     protected AMutableString aStringFieldName = new AMutableString("");
     protected AMutableUUID aUUID = new AMutableUUID();
+    protected AMutableGeometry aGeomtry = new AMutableGeometry(null);
     // For temporal and spatial data types
     protected AMutableTime aTime = new AMutableTime(0);
     protected AMutableDateTime aDateTime = new AMutableDateTime(0L);
@@ -150,6 +153,9 @@
     protected ISerializerDeserializer<AUUID> uuidSerde =
             SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AUUID);
 
+    protected ISerializerDeserializer<AGeometry> geomSerde =
+            SerializerDeserializerProvider.INSTANCE.getNonTaggedSerializerDeserializer(BuiltinType.AGEOMETRY);
+
     // To avoid race conditions, the serdes for temporal and spatial data types needs to be one per parser
     // ^^^^^^^^^^^^^^^^^^^^^^^^ ??? then why all these serdes are static?
     @SuppressWarnings("unchecked")
diff --git a/asterixdb/asterix-external-data/src/test/java/org/apache/asterix/external/parser/test/ADMDataParserTest.java b/asterixdb/asterix-external-data/src/test/java/org/apache/asterix/external/parser/test/ADMDataParserTest.java
index f06528e..db85e64 100644
--- a/asterixdb/asterix-external-data/src/test/java/org/apache/asterix/external/parser/test/ADMDataParserTest.java
+++ b/asterixdb/asterix-external-data/src/test/java/org/apache/asterix/external/parser/test/ADMDataParserTest.java
@@ -18,16 +18,34 @@
  */
 package org.apache.asterix.external.parser.test;
 
+import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.DataOutput;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPoint;
 import org.apache.asterix.external.parser.ADMDataParser;
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.base.AInt32;
 import org.apache.asterix.om.base.AMutableDate;
 import org.apache.asterix.om.base.AMutableDateTime;
 import org.apache.asterix.om.base.AMutableTime;
+import org.apache.asterix.om.types.ARecordType;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+import org.apache.hadoop.io.DataInputByteBuffer;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameDeserializer;
+import org.apache.hyracks.dataflow.common.comm.io.FrameDeserializingDataReader;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -113,4 +131,50 @@
         // Asserts no failure.
         Assert.assertTrue(errorCount.get() == 0);
     }
+
+    @Test
+    public void testWKTParser() {
+        try {
+            ARecordType recordType = new ARecordType("POIType", new String[] { "id", "coord" },
+                    new IAType[] { BuiltinType.AINT32, BuiltinType.AGEOMETRY }, false);
+
+            String wktObject = "{\"id\": 123, \"coord\": \"POINT(3 4)\"}";
+            InputStream in = new ByteArrayInputStream(wktObject.getBytes());
+            ADMDataParser parser = new ADMDataParser(recordType, true);
+            parser.setInputStream(in);
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            DataOutputStream out = new DataOutputStream(baos);
+            parser.parse(out);
+            out.close();
+            byte[] serialized = baos.toByteArray();
+
+            // Parse to make sure it was correct
+            ByteBuffer bb = ByteBuffer.wrap(serialized);
+            Assert.assertEquals(ATypeTag.SERIALIZED_RECORD_TYPE_TAG, bb.get());
+            Assert.assertEquals(serialized.length, bb.getInt()); // Total record size including header
+            Assert.assertEquals(2, bb.getInt()); // # of records
+            int offsetOfID = bb.getInt();
+            int offsetOfGeometry = bb.getInt();
+            ISerializerDeserializer intDeser =
+                    SerializerDeserializerProvider.INSTANCE.getNonTaggedSerializerDeserializer(BuiltinType.AINT32);
+            Assert.assertEquals(offsetOfID, bb.position());
+            // Serialize the two records
+            DataInputByteBuffer dataIn = new DataInputByteBuffer();
+            dataIn.reset(bb);
+            Object o = intDeser.deserialize(dataIn);
+            Assert.assertEquals(new AInt32(123), o);
+            ISerializerDeserializer geomDeser =
+                    SerializerDeserializerProvider.INSTANCE.getNonTaggedSerializerDeserializer(BuiltinType.AGEOMETRY);
+            Object point = geomDeser.deserialize(dataIn);
+            Assert.assertTrue(point instanceof AGeometry);
+            Assert.assertTrue(((AGeometry) point).getGeometry() instanceof OGCPoint);
+            OGCPoint p = (OGCPoint) ((AGeometry) point).getGeometry();
+            Assert.assertEquals(3.0, p.X(), 1E-5);
+            Assert.assertEquals(4.0, p.Y(), 1E-5);
+        } catch (IOException e) {
+            e.printStackTrace();
+            Assert.fail("Error in parsing");
+        }
+
+    }
 }
diff --git a/asterixdb/asterix-geo/pom.xml b/asterixdb/asterix-geo/pom.xml
new file mode 100644
index 0000000..671e57e
--- /dev/null
+++ b/asterixdb/asterix-geo/pom.xml
@@ -0,0 +1,147 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements.  See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership.  The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License.  You may obtain a copy of the License at
+ !
+ !   http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied.  See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <artifactId>apache-asterixdb</artifactId>
+    <groupId>org.apache.asterix</groupId>
+    <version>0.9.4-SNAPSHOT</version>
+  </parent>
+  <artifactId>asterix-geo</artifactId>
+
+  <licenses>
+    <license>
+      <name>Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+      <distribution>repo</distribution>
+      <comments>A business-friendly OSS license</comments>
+    </license>
+  </licenses>
+
+  <properties>
+    <root.dir>${basedir}/..</root.dir>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.asterix</groupId>
+        <artifactId>asterix-evaluator-generator-maven-plugin</artifactId>
+        <version>${project.version}</version>
+        <configuration>
+          <evaluatorPackagePrefix>org.apache.asterix.runtime.evaluators</evaluatorPackagePrefix>
+        </configuration>
+        <executions>
+          <execution>
+            <id>generate-evaluator</id>
+            <phase>process-classes</phase>
+            <goals>
+              <goal>generate-evaluator</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-jar</goal>
+            </goals>
+            <phase>test-compile</phase>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.rat</groupId>
+        <artifactId>apache-rat-plugin</artifactId>
+        <executions>
+          <execution>
+            <phase>validate</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <excludes combine.children="append">
+            <exclude>data/**</exclude>
+          </excludes>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>algebricks-common</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-data-std</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-util</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>algebricks-core</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>algebricks-runtime</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.asterix</groupId>
+      <artifactId>asterix-common</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-dataflow-common</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.asterix</groupId>
+      <artifactId>asterix-om</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.asterix</groupId>
+      <artifactId>asterix-runtime</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>com.esri.geometry</groupId>
+      <artifactId>esri-geometry-api</artifactId>
+      <version>2.0.0</version>
+    </dependency>
+  </dependencies>
+
+</project>
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/STUnionAggregateDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/STUnionAggregateDescriptor.java
new file mode 100644
index 0000000..ec45877
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/STUnionAggregateDescriptor.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.aggregates;
+
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.runtime.aggregates.base.AbstractAggregateFunctionDynamicDescriptor;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+/**
+ * NULLs are also counted.
+ */
+public class STUnionAggregateDescriptor extends AbstractAggregateFunctionDynamicDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STUnionAggregateDescriptor();
+        }
+    };
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_UNION_AGG;
+    }
+
+    @Override
+    public IAggregateEvaluatorFactory createAggregateEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IAggregateEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IAggregateEvaluator createAggregateEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+                return new STUnionAggregateFunction(args, ctx);
+            }
+        };
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/STUnionAggregateFunction.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/STUnionAggregateFunction.java
new file mode 100644
index 0000000..c9c2eca
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/STUnionAggregateFunction.java
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.aggregates;
+
+import com.esri.core.geometry.Point;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.EnumDeserializer;
+import org.apache.asterix.runtime.exceptions.UnsupportedItemTypeException;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.IOException;
+
+/**
+ * STUnion aggregates a set of objects into one object. If the input is a set of overlapping polygons, their union is
+ * computed and returned as a multipolygon. Similarly, if the input is a set of points or linestring, a multipoint or
+ * multilinestring is created. Is the result contains geometries of different types, e.g., points and linestring, the
+ * output is a GeometryCollection.
+ */
+public class STUnionAggregateFunction implements IAggregateEvaluator {
+    /**Use WGS 84 (EPSG:4326) as the default coordinate reference system*/
+    public static final SpatialReference DEFAULT_CRS = SpatialReference.create(4326);
+    @SuppressWarnings("unchecked")
+    private ISerializerDeserializer<AGeometry> geometrySerde =
+            SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AGEOMETRY);
+    private IPointable inputVal = new VoidPointable();
+    private IScalarEvaluator eval;
+    protected OGCGeometry geometry;
+
+    private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
+
+    public STUnionAggregateFunction(IScalarEvaluatorFactory[] args, IHyracksTaskContext context)
+            throws HyracksDataException {
+        eval = args[0].createScalarEvaluator(context);
+    }
+
+    @Override
+    public void init() throws HyracksDataException {
+        // Initialize the resulting geometry with an empty point.
+        geometry = new OGCPoint(new Point(), DEFAULT_CRS);
+    }
+
+    @Override
+    public void step(IFrameTupleReference tuple) throws HyracksDataException {
+        eval.evaluate(tuple, inputVal);
+        byte[] data = inputVal.getByteArray();
+        int offset = inputVal.getStartOffset();
+        int len = inputVal.getLength();
+        ATypeTag typeTag =
+                EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[inputVal.getStartOffset()]);
+        // Ignore SYSTEM_NULL.
+        if (typeTag == ATypeTag.NULL || typeTag == ATypeTag.MISSING) {
+            processNull();
+        } else if (typeTag == ATypeTag.GEOMETRY) {
+            DataInput dataIn = new DataInputStream(new ByteArrayInputStream(data, offset + 1, len - 1));
+            OGCGeometry geometry1 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn).getGeometry();
+            geometry = geometry.union(geometry1);
+        }
+    }
+
+    @Override
+    public void finish(IPointable resultPointable) throws HyracksDataException {
+        resultStorage.reset();
+        try {
+            geometrySerde.serialize(new AGeometry(geometry), resultStorage.getDataOutput());
+        } catch (IOException e) {
+            throw HyracksDataException.create(e);
+        }
+        resultPointable.set(resultStorage);
+    }
+
+    @Override
+    public void finishPartial(IPointable resultPointable) throws HyracksDataException {
+        finish(resultPointable);
+    }
+
+    protected void processNull() throws UnsupportedItemTypeException {
+        throw new UnsupportedItemTypeException(BuiltinFunctions.ST_UNION, ATypeTag.SERIALIZED_SYSTEM_NULL_TYPE_TAG);
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/ScalarSTUnionAggregateDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/ScalarSTUnionAggregateDescriptor.java
new file mode 100644
index 0000000..96b6478
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/aggregates/ScalarSTUnionAggregateDescriptor.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.aggregates;
+
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.runtime.aggregates.scalar.AbstractScalarAggregateDescriptor;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+
+public class ScalarSTUnionAggregateDescriptor extends AbstractScalarAggregateDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public final static FunctionIdentifier FID = BuiltinFunctions.SCALAR_ST_UNION_AGG;
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new ScalarSTUnionAggregateDescriptor(STUnionAggregateDescriptor.FACTORY.createFunctionDescriptor());
+        }
+    };
+
+    private ScalarSTUnionAggregateDescriptor(IFunctionDescriptor aggFuncDesc) {
+        super(aggFuncDesc);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return FID;
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/GeoFunctionRegistrant.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/GeoFunctionRegistrant.java
new file mode 100644
index 0000000..1644b99
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/GeoFunctionRegistrant.java
@@ -0,0 +1,155 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators;
+
+import org.apache.asterix.geo.aggregates.STUnionAggregateDescriptor;
+import org.apache.asterix.geo.aggregates.ScalarSTUnionAggregateDescriptor;
+import org.apache.asterix.geo.evaluators.functions.ParseGeoJSONDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STAreaDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STAsBinaryDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STAsGeoJSONDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STAsTextDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STBoundaryDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STContainsDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STCoordDimDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STCrossesDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STDifferenceDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STDimensionDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STDisjointDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STDistanceDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STEndPointDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STEnvelopeDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STEqualsDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STExteriorRingDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STGeomFromTextDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STGeomFromTextSRIDDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STGeomFromWKBDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STGeomentryTypeDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STGeometryNDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STInteriorRingNDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STIntersectionDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STIntersectsDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STIsClosedDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STIsCollectionDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STIsEmptyDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STIsRingDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STIsSimpleDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STLengthDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STLineFromMultiPointDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STMDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STMakeEnvelopeDescriptorSRID;
+import org.apache.asterix.geo.evaluators.functions.STMakePoint3DDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STMakePoint3DWithMDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STMakePointDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STNPointsDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STNRingsDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STNumGeometriesDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STNumInteriorRingsDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STOverlapsDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STPointNDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STPolygonizeDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STRelateDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STSRIDDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STStartPointDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STSymDifferenceDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STTouchesDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STUnionDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STWithinDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STXDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STXMaxDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STXMinDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STYDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STYMaxDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STYMinDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STZDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STZMaxDescriptor;
+import org.apache.asterix.geo.evaluators.functions.STZMinDescriptor;
+import org.apache.asterix.om.functions.IFunctionCollection;
+import org.apache.asterix.om.functions.IFunctionRegistrant;
+
+public class GeoFunctionRegistrant implements IFunctionRegistrant {
+    @Override
+    public void register(IFunctionCollection fc) {
+        //Geo functions
+        fc.add(ScalarSTUnionAggregateDescriptor.FACTORY);
+        fc.add(STUnionAggregateDescriptor.FACTORY);
+
+        //GeoJSON
+        fc.add(ParseGeoJSONDescriptor.FACTORY);
+        fc.add(STAreaDescriptor.FACTORY);
+        fc.add(STMakePointDescriptor.FACTORY);
+        fc.add(STMakePoint3DDescriptor.FACTORY);
+        fc.add(STMakePoint3DWithMDescriptor.FACTORY);
+        fc.add(STIntersectsDescriptor.FACTORY);
+        fc.add(STUnionDescriptor.FACTORY);
+        fc.add(STIsCollectionDescriptor.FACTORY);
+        fc.add(STContainsDescriptor.FACTORY);
+        fc.add(STCrossesDescriptor.FACTORY);
+        fc.add(STDisjointDescriptor.FACTORY);
+        fc.add(STEqualsDescriptor.FACTORY);
+        fc.add(STOverlapsDescriptor.FACTORY);
+        fc.add(STTouchesDescriptor.FACTORY);
+        fc.add(STWithinDescriptor.FACTORY);
+        fc.add(STIsEmptyDescriptor.FACTORY);
+        fc.add(STIsSimpleDescriptor.FACTORY);
+        fc.add(STCoordDimDescriptor.FACTORY);
+        fc.add(STDimensionDescriptor.FACTORY);
+        fc.add(STGeomentryTypeDescriptor.FACTORY);
+        fc.add(STMDescriptor.FACTORY);
+        fc.add(STNRingsDescriptor.FACTORY);
+        fc.add(STNPointsDescriptor.FACTORY);
+        fc.add(STNumGeometriesDescriptor.FACTORY);
+        fc.add(STNumInteriorRingsDescriptor.FACTORY);
+        fc.add(STSRIDDescriptor.FACTORY);
+        fc.add(STXDescriptor.FACTORY);
+        fc.add(STYDescriptor.FACTORY);
+        fc.add(STXMaxDescriptor.FACTORY);
+        fc.add(STXMinDescriptor.FACTORY);
+        fc.add(STYMaxDescriptor.FACTORY);
+        fc.add(STYMinDescriptor.FACTORY);
+        fc.add(STZDescriptor.FACTORY);
+        fc.add(STZMaxDescriptor.FACTORY);
+        fc.add(STZMinDescriptor.FACTORY);
+        fc.add(STAsBinaryDescriptor.FACTORY);
+        fc.add(STAsTextDescriptor.FACTORY);
+        fc.add(STAsGeoJSONDescriptor.FACTORY);
+        fc.add(STDistanceDescriptor.FACTORY);
+        fc.add(STLengthDescriptor.FACTORY);
+        fc.add(STGeomFromTextDescriptor.FACTORY);
+        fc.add(STGeomFromTextSRIDDescriptor.FACTORY);
+        fc.add(STGeomFromWKBDescriptor.FACTORY);
+        fc.add(STLineFromMultiPointDescriptor.FACTORY);
+        fc.add(STMakeEnvelopeDescriptorSRID.FACTORY);
+        fc.add(STIsClosedDescriptor.FACTORY);
+        fc.add(STIsRingDescriptor.FACTORY);
+        fc.add(STRelateDescriptor.FACTORY);
+        fc.add(STBoundaryDescriptor.FACTORY);
+        fc.add(STEndPointDescriptor.FACTORY);
+        fc.add(STEnvelopeDescriptor.FACTORY);
+        fc.add(STExteriorRingDescriptor.FACTORY);
+        fc.add(STGeometryNDescriptor.FACTORY);
+        fc.add(STInteriorRingNDescriptor.FACTORY);
+        fc.add(STPointNDescriptor.FACTORY);
+        fc.add(STStartPointDescriptor.FACTORY);
+        fc.add(STDifferenceDescriptor.FACTORY);
+        fc.add(STIntersectionDescriptor.FACTORY);
+        fc.add(STSymDifferenceDescriptor.FACTORY);
+        fc.add(STPolygonizeDescriptor.FACTORY);
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/GeoFunctionTypeInferers.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/GeoFunctionTypeInferers.java
new file mode 100644
index 0000000..f609beb
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/GeoFunctionTypeInferers.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators;
+
+import org.apache.asterix.common.config.CompilerProperties;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionTypeInferer;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.IAType;
+import org.apache.asterix.om.utils.RecordUtil;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+
+public class GeoFunctionTypeInferers {
+    private GeoFunctionTypeInferers() {
+    }
+
+    public static final class GeometryConstructorTypeInferer implements IFunctionTypeInferer {
+        @Override
+        public void infer(ILogicalExpression expr, IFunctionDescriptor fd, IVariableTypeEnvironment context,
+                CompilerProperties compilerProps) throws AlgebricksException {
+            AbstractFunctionCallExpression fce = (AbstractFunctionCallExpression) expr;
+            IAType t = (IAType) context.getType(fce.getArguments().get(0).getValue());
+            ATypeTag typeTag = t.getTypeTag();
+            if (typeTag.equals(ATypeTag.OBJECT)) {
+                fd.setImmutableStates(t);
+            } else if (typeTag.equals(ATypeTag.ANY)) {
+                fd.setImmutableStates(RecordUtil.FULLY_OPEN_RECORD_TYPE);
+            } else {
+                throw new NotImplementedException("parse-geojson for data of type " + t);
+            }
+        }
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractGetValDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractGetValDescriptor.java
new file mode 100644
index 0000000..325b10a
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractGetValDescriptor.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import org.apache.asterix.dataflow.data.nontagged.serde.ADoubleSerializerDeserializer;
+import org.apache.asterix.dataflow.data.nontagged.serde.AInt64SerializerDeserializer;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+
+public abstract class AbstractGetValDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+    public double getVal(byte[] bytes, int offset) throws TypeMismatchException {
+        if (bytes[offset] == ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG) {
+            return ADoubleSerializerDeserializer.getDouble(bytes, offset + 1);
+        } else if (bytes[offset] == ATypeTag.SERIALIZED_INT64_TYPE_TAG) {
+            return AInt64SerializerDeserializer.getLong(bytes, offset + 1);
+        } else {
+            throw new TypeMismatchException(getIdentifier(), 1, bytes[offset], ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG,
+                    ATypeTag.SERIALIZED_INT64_TYPE_TAG);
+        }
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTDoubleGeometryDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTDoubleGeometryDescriptor.java
new file mode 100644
index 0000000..83925a1
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTDoubleGeometryDescriptor.java
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.ABoolean;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.EnumDeserializer;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+
+public abstract class AbstractSTDoubleGeometryDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    abstract protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1)
+            throws HyracksDataException;
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
+                return new AbstractSTDoubleGeometryEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class AbstractSTDoubleGeometryEvaluator implements IScalarEvaluator {
+
+        private final ArrayBackedValueStorage resultStorage;
+        private final DataOutput out;
+        private final IPointable argPtr0;
+        private final IPointable argPtr1;
+        private final IScalarEvaluator eval0;
+        private final IScalarEvaluator eval1;
+
+        public AbstractSTDoubleGeometryEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            argPtr0 = new VoidPointable();
+            argPtr1 = new VoidPointable();
+            eval0 = args[0].createScalarEvaluator(ctx);
+            eval1 = args[1].createScalarEvaluator(ctx);
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            resultStorage.reset();
+            eval0.evaluate(tuple, argPtr0);
+            eval1.evaluate(tuple, argPtr1);
+
+            try {
+                byte[] bytes0 = argPtr0.getByteArray();
+                int offset0 = argPtr0.getStartOffset();
+                int len0 = argPtr0.getLength();
+                byte[] bytes1 = argPtr1.getByteArray();
+                int offset1 = argPtr1.getStartOffset();
+                int len1 = argPtr1.getLength();
+
+                ATypeTag tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes0[offset0]);
+                if (tag != ATypeTag.GEOMETRY) {
+                    throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0],
+                            ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                }
+                tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes1[offset1]);
+                if (tag != ATypeTag.GEOMETRY) {
+                    throw new TypeMismatchException(getIdentifier(), 0, bytes1[offset1],
+                            ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                }
+
+                DataInputStream dataIn0 = new DataInputStream(new ByteArrayInputStream(bytes0, offset0 + 1, len0 - 1));
+                OGCGeometry geometry0 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn0).getGeometry();
+                DataInputStream dataIn1 = new DataInputStream(new ByteArrayInputStream(bytes1, offset1 + 1, len1 - 1));
+                OGCGeometry geometry1 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn1).getGeometry();
+                Object finalResult = evaluateOGCGeometry(geometry0, geometry1);
+                if (finalResult instanceof OGCGeometry) {
+                    out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                    AGeometrySerializerDeserializer.INSTANCE.serialize(new AGeometry((OGCGeometry) finalResult), out);
+                } else if (finalResult instanceof Boolean) {
+                    SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ABOOLEAN)
+                            .serialize((boolean) finalResult ? ABoolean.TRUE : ABoolean.FALSE, out);
+                } else if (finalResult instanceof Double) {
+                    out.writeByte(ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG);
+                    out.writeDouble((double) finalResult);
+                }
+
+            } catch (IOException e) {
+                throw HyracksDataException.create(e);
+            }
+            result.set(resultStorage);
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTGeometryNDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTGeometryNDescriptor.java
new file mode 100644
index 0000000..62e8db9
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTGeometryNDescriptor.java
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.dataflow.data.nontagged.serde.AInt64SerializerDeserializer;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+
+public abstract class AbstractSTGeometryNDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    private static final long serialVersionUID = 1L;
+
+    abstract protected OGCGeometry evaluateOGCGeometry(OGCGeometry geometry, int n) throws HyracksDataException;
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+
+                return new AbstractSTGeometryNEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class AbstractSTGeometryNEvaluator implements IScalarEvaluator {
+
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg;
+        private IScalarEvaluator eval;
+        private IPointable inputArg0;
+        private IScalarEvaluator eval0;
+
+        public AbstractSTGeometryNEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg = new VoidPointable();
+            eval = args[0].createScalarEvaluator(ctx);
+            inputArg0 = new VoidPointable();
+            eval0 = args[1].createScalarEvaluator(ctx);
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval.evaluate(tuple, inputArg);
+            byte[] data = inputArg.getByteArray();
+            int offset = inputArg.getStartOffset();
+            int len = inputArg.getLength();
+
+            eval0.evaluate(tuple, inputArg0);
+            byte[] data0 = inputArg0.getByteArray();
+            int offset0 = inputArg0.getStartOffset();
+
+            if (data[offset] != ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG) {
+                throw new TypeMismatchException(getIdentifier(), 0, data[offset],
+                        ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+            if (data0[offset0] != ATypeTag.SERIALIZED_INT64_TYPE_TAG) {
+                throw new TypeMismatchException(getIdentifier(), 0, data0[offset0], ATypeTag.SERIALIZED_INT64_TYPE_TAG);
+            }
+
+            ByteArrayInputStream inStream = new ByteArrayInputStream(data, offset + 1, len - 1);
+            DataInputStream dataIn = new DataInputStream(inStream);
+            OGCGeometry geometry = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn).getGeometry();
+            int n = (int) AInt64SerializerDeserializer.getLong(data0, offset0 + 1);
+
+            OGCGeometry geometryN = evaluateOGCGeometry(geometry, n);
+            try {
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                AGeometrySerializerDeserializer.INSTANCE.serialize(new AGeometry(geometryN), out);
+                result.set(resultStorage);
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTSingleGeometryDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTSingleGeometryDescriptor.java
new file mode 100644
index 0000000..0acf731
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/AbstractSTSingleGeometryDescriptor.java
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.ABinary;
+import org.apache.asterix.om.base.ABoolean;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.base.AMutableInt32;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.EnumDeserializer;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.util.string.UTF8StringUtil;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+
+public abstract class AbstractSTSingleGeometryDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    abstract protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException;
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            @SuppressWarnings("unchecked")
+            public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
+                return new AbstractSTSingleGeometryEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class AbstractSTSingleGeometryEvaluator implements IScalarEvaluator {
+
+        private final ArrayBackedValueStorage resultStorage;
+        private final DataOutput out;
+        private final IPointable argPtr0;
+        private final IScalarEvaluator eval0;
+
+        private final AMutableInt32 intRes;
+
+        public AbstractSTSingleGeometryEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            argPtr0 = new VoidPointable();
+            eval0 = args[0].createScalarEvaluator(ctx);
+            intRes = new AMutableInt32(0);
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            resultStorage.reset();
+            eval0.evaluate(tuple, argPtr0);
+
+            try {
+                byte[] bytes0 = argPtr0.getByteArray();
+                int offset0 = argPtr0.getStartOffset();
+                int len0 = argPtr0.getLength();
+
+                ATypeTag tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes0[offset0]);
+                if (tag != ATypeTag.GEOMETRY) {
+                    throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0],
+                            ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                }
+
+                DataInputStream dataIn0 = new DataInputStream(new ByteArrayInputStream(bytes0, offset0 + 1, len0 - 1));
+                OGCGeometry geometry0 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn0).getGeometry();
+
+                Object finalResult = evaluateOGCGeometry(geometry0);
+                if (finalResult == null) {
+                    out.writeByte(ATypeTag.SERIALIZED_NULL_TYPE_TAG);
+                } else if (finalResult instanceof Double) {
+                    out.writeByte(ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG);
+                    out.writeDouble((double) finalResult);
+                } else if (finalResult instanceof Boolean) {
+                    SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ABOOLEAN)
+                            .serialize((boolean) finalResult ? ABoolean.TRUE : ABoolean.FALSE, out);
+                } else if (finalResult instanceof Integer) {
+                    intRes.setValue((int) finalResult);
+                    SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32)
+                            .serialize(intRes, out);
+                } else if (finalResult instanceof String) {
+                    out.write(ATypeTag.SERIALIZED_STRING_TYPE_TAG);
+                    out.write(UTF8StringUtil.writeStringToBytes((String) finalResult));
+                } else if (finalResult instanceof byte[]) {
+                    SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ABINARY)
+                            .serialize(new ABinary((byte[]) finalResult), out);
+                } else if (finalResult instanceof OGCGeometry) {
+                    out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                    AGeometrySerializerDeserializer.INSTANCE.serialize(new AGeometry((OGCGeometry) finalResult), out);
+                }
+            } catch (IOException e) {
+                throw HyracksDataException.create(e);
+            }
+            result.set(resultStorage);
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/ParseGeoJSONDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/ParseGeoJSONDescriptor.java
new file mode 100644
index 0000000..e59c3f8
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/ParseGeoJSONDescriptor.java
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.MapOGCStructure;
+import com.esri.core.geometry.OperatorImportFromGeoJson;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.ARecordSerializerDeserializer;
+import org.apache.asterix.geo.evaluators.GeoFunctionTypeInferers;
+import org.apache.asterix.om.base.AOrderedList;
+import org.apache.asterix.om.base.ARecord;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.functions.IFunctionTypeInferer;
+import org.apache.asterix.om.types.ARecordType;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public class ParseGeoJSONDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new ParseGeoJSONDescriptor();
+        }
+
+        @Override
+        public IFunctionTypeInferer createFunctionTypeInferer() {
+            return new GeoFunctionTypeInferers.GeometryConstructorTypeInferer();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+    private ARecordType recType;
+
+    @Override
+    public void setImmutableStates(Object... states) {
+        this.recType = (ARecordType) states[0];
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.GEOMETRY_CONSTRUCTOR;
+    }
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+
+                return new ParseGeoJSONEvaluator(args[0], ctx);
+            }
+        };
+    }
+
+    private class ParseGeoJSONEvaluator implements IScalarEvaluator {
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg;
+        private IScalarEvaluator eval;
+        private OperatorImportFromGeoJson geoJsonImporter;
+
+        public ParseGeoJSONEvaluator(IScalarEvaluatorFactory factory, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg = new VoidPointable();
+            eval = factory.createScalarEvaluator(ctx);
+            geoJsonImporter = OperatorImportFromGeoJson.local();
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval.evaluate(tuple, inputArg);
+            byte[] data = inputArg.getByteArray();
+            int offset = inputArg.getStartOffset();
+            int len = inputArg.getLength();
+
+            if (data[offset] != ATypeTag.SERIALIZED_RECORD_TYPE_TAG) {
+                throw new TypeMismatchException(BuiltinFunctions.GEOMETRY_CONSTRUCTOR, 0, data[offset],
+                        ATypeTag.SERIALIZED_RECORD_TYPE_TAG);
+            }
+            ByteArrayInputStream inStream = new ByteArrayInputStream(data, offset + 1, len - 1);
+            DataInput dataIn = new DataInputStream(inStream);
+            try {
+                String geometry = recordToString(new ARecordSerializerDeserializer(recType).deserialize(dataIn));
+                MapOGCStructure structure = geoJsonImporter.executeOGC(0, geometry, null);
+                OGCGeometry ogcGeometry =
+                        OGCGeometry.createFromOGCStructure(structure.m_ogcStructure, structure.m_spatialReference);
+                ByteBuffer buffer = ogcGeometry.asBinary();
+                byte[] wKBGeometryBuffer = buffer.array();
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                out.writeInt(wKBGeometryBuffer.length);
+                out.write(wKBGeometryBuffer);
+                result.set(resultStorage);
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+
+        }
+
+        public String recordToString(ARecord record) {
+            StringBuilder sb = new StringBuilder();
+            sb.append("{ ");
+            String[] fieldNames = record.getType().getFieldNames();
+            IAObject val;
+            if (fieldNames != null) {
+                for (int i = 0; i < fieldNames.length; i++) {
+                    if (i > 0) {
+                        sb.append(", ");
+                    }
+                    sb.append("\"").append(fieldNames[i]).append("\"").append(": ");
+                    val = record.getValueByPos(i);
+                    if (val instanceof ARecord) {
+                        sb.append(recordToString((ARecord) val));
+                    } else if (val instanceof AOrderedList) {
+                        sb.append(listToString((AOrderedList) val));
+                    } else {
+                        sb.append(val);
+                    }
+                }
+            }
+            sb.append(" }");
+            return sb.toString();
+        }
+
+        public String listToString(AOrderedList list) {
+            StringBuilder sb = new StringBuilder();
+            boolean first = true;
+            IAObject val;
+            sb.append("[ ");
+            for (int i = 0; i < list.size(); i++) {
+                if (first) {
+                    first = false;
+                } else {
+                    sb.append(", ");
+                }
+                val = list.getItem(i);
+                if (val instanceof ARecord) {
+                    sb.append(recordToString((ARecord) val));
+                } else if (val instanceof AOrderedList) {
+                    sb.append(listToString((AOrderedList) val));
+                } else {
+                    sb.append(val);
+                }
+            }
+            sb.append(" ]");
+            return sb.toString();
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAreaDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAreaDescriptor.java
new file mode 100644
index 0000000..caf0b89
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAreaDescriptor.java
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Geometry;
+import com.esri.core.geometry.GeometryCursor;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STAreaDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STAreaDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        double area;
+        if (!"GeometryCollection".equals(geometry.geometryType())) {
+            area = geometry.getEsriGeometry().calculateArea2D();
+        } else {
+            GeometryCursor cursor = geometry.getEsriGeometryCursor();
+            Geometry geometry1 = cursor.next();
+            area = 0;
+            while (geometry1 != null) {
+                area += geometry1.calculateArea2D();
+                geometry1 = cursor.next();
+            }
+        }
+        return area;
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_AREA;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsBinaryDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsBinaryDescriptor.java
new file mode 100644
index 0000000..387d07c
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsBinaryDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STAsBinaryDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STAsBinaryDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.asBinary().array();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_AS_BINARY;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsGeoJSONDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsGeoJSONDescriptor.java
new file mode 100644
index 0000000..b12b851
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsGeoJSONDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STAsGeoJSONDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STAsGeoJSONDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.asGeoJson();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_AS_GEOJSON;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsTextDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsTextDescriptor.java
new file mode 100644
index 0000000..3e310d9
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STAsTextDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STAsTextDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STAsTextDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.asText();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_AS_TEXT;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STBoundaryDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STBoundaryDescriptor.java
new file mode 100644
index 0000000..55c5212
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STBoundaryDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STBoundaryDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STBoundaryDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.boundary();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_BOUNDARY;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STContainsDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STContainsDescriptor.java
new file mode 100644
index 0000000..f9f692f
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STContainsDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STContainsDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STContainsDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.contains(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_CONTAINS;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STCoordDimDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STCoordDimDescriptor.java
new file mode 100644
index 0000000..d1a3efd
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STCoordDimDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STCoordDimDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STCoordDimDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.coordinateDimension();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_COORD_DIM;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STCrossesDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STCrossesDescriptor.java
new file mode 100644
index 0000000..1ac67fe
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STCrossesDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STCrossesDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STCrossesDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.crosses(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_CROSSES;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDifferenceDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDifferenceDescriptor.java
new file mode 100644
index 0000000..a0209f9
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDifferenceDescriptor.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STDifferenceDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STDifferenceDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.difference(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_DIFFERENCE;
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDimensionDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDimensionDescriptor.java
new file mode 100644
index 0000000..492d045
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDimensionDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STDimensionDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STDimensionDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.dimension();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_DIMENSION;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDisjointDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDisjointDescriptor.java
new file mode 100644
index 0000000..17272ce
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDisjointDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STDisjointDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STDisjointDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.disjoint(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_DISJOINT;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDistanceDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDistanceDescriptor.java
new file mode 100644
index 0000000..50cb129
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STDistanceDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STDistanceDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STDistanceDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.distance(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_DISTANCE;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEndPointDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEndPointDescriptor.java
new file mode 100644
index 0000000..6b8e43b
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEndPointDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCCurve;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STEndPointDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STEndPointDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCCurve) {
+            return ((OGCCurve) geometry).endPoint();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_END_POINT;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEnvelopeDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEnvelopeDescriptor.java
new file mode 100644
index 0000000..f5d7d0d
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEnvelopeDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STEnvelopeDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STEnvelopeDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.envelope();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_ENVELOPE;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEqualsDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEqualsDescriptor.java
new file mode 100644
index 0000000..66c2ab1
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STEqualsDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STEqualsDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STEqualsDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.equals(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_EQUALS;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STExteriorRingDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STExteriorRingDescriptor.java
new file mode 100644
index 0000000..bda2c90
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STExteriorRingDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPolygon;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STExteriorRingDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STExteriorRingDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCPolygon) {
+            return ((OGCPolygon) geometry).exteriorRing();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_EXTERIOR_RING;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromTextDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromTextDescriptor.java
new file mode 100644
index 0000000..8676600
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromTextDescriptor.java
@@ -0,0 +1,128 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.OGCStructure;
+import com.esri.core.geometry.OperatorImportFromWkt;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.WktImportFlags;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.AStringSerializerDeserializer;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public class STGeomFromTextDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STGeomFromTextDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_GEOM_FROM_TEXT;
+    }
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+
+                return new STGeomFromTextEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class STGeomFromTextEvaluator implements IScalarEvaluator {
+
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg;
+        private IScalarEvaluator eval;
+        private OperatorImportFromWkt wktImporter;
+
+        public STGeomFromTextEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg = new VoidPointable();
+            eval = args[0].createScalarEvaluator(ctx);
+            wktImporter = OperatorImportFromWkt.local();
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval.evaluate(tuple, inputArg);
+            byte[] data = inputArg.getByteArray();
+            int offset = inputArg.getStartOffset();
+            int len = inputArg.getLength();
+
+            if (data[offset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
+                throw new TypeMismatchException(BuiltinFunctions.ST_GEOM_FROM_TEXT, 0, data[offset],
+                        ATypeTag.SERIALIZED_STRING_TYPE_TAG);
+            }
+            ByteArrayInputStream inStream = new ByteArrayInputStream(data, offset + 1, len - 1);
+            DataInputStream dataIn = new DataInputStream(inStream);
+            try {
+                String geometry = AStringSerializerDeserializer.INSTANCE.deserialize(dataIn).getStringValue();
+                OGCStructure structure;
+
+                structure = wktImporter.executeOGC(WktImportFlags.wktImportNonTrusted, geometry, null);
+                OGCGeometry ogcGeometry = OGCGeometry.createFromOGCStructure(structure, SpatialReference.create(4326));
+                ByteBuffer buffer = ogcGeometry.asBinary();
+                byte[] wKBGeometryBuffer = buffer.array();
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                out.writeInt(wKBGeometryBuffer.length);
+                out.write(wKBGeometryBuffer);
+                result.set(resultStorage);
+
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromTextSRIDDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromTextSRIDDescriptor.java
new file mode 100644
index 0000000..01f7438
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromTextSRIDDescriptor.java
@@ -0,0 +1,141 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.OGCStructure;
+import com.esri.core.geometry.OperatorImportFromWkt;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.WktImportFlags;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.AInt64SerializerDeserializer;
+import org.apache.asterix.dataflow.data.nontagged.serde.AStringSerializerDeserializer;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public class STGeomFromTextSRIDDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STGeomFromTextSRIDDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_GEOM_FROM_TEXT_SRID;
+    }
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+
+                return new STGeomFromTextSRIDEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class STGeomFromTextSRIDEvaluator implements IScalarEvaluator {
+
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg;
+        private IScalarEvaluator eval;
+        private IPointable inputArg0;
+        private IScalarEvaluator eval0;
+        private OperatorImportFromWkt wktImporter;
+
+        public STGeomFromTextSRIDEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg = new VoidPointable();
+            eval = args[0].createScalarEvaluator(ctx);
+            inputArg0 = new VoidPointable();
+            eval0 = args[1].createScalarEvaluator(ctx);
+            wktImporter = OperatorImportFromWkt.local();
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval.evaluate(tuple, inputArg);
+            byte[] data = inputArg.getByteArray();
+            int offset = inputArg.getStartOffset();
+            int len = inputArg.getLength();
+
+            eval0.evaluate(tuple, inputArg0);
+            byte[] data0 = inputArg0.getByteArray();
+            int offset0 = inputArg0.getStartOffset();
+
+            if (data[offset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
+                throw new TypeMismatchException(getIdentifier(), 0, data[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
+            }
+            if (data0[offset0] != ATypeTag.SERIALIZED_INT64_TYPE_TAG) {
+                throw new TypeMismatchException(getIdentifier(), 0, data0[offset0], ATypeTag.SERIALIZED_INT64_TYPE_TAG);
+            }
+
+            ByteArrayInputStream inStream = new ByteArrayInputStream(data, offset + 1, len - 1);
+            DataInputStream dataIn = new DataInputStream(inStream);
+            try {
+                String geometry = AStringSerializerDeserializer.INSTANCE.deserialize(dataIn).getStringValue();
+                int srid = (int) AInt64SerializerDeserializer.getLong(data0, offset0 + 1);
+                OGCStructure structure;
+
+                structure = wktImporter.executeOGC(WktImportFlags.wktImportNonTrusted, geometry, null);
+                OGCGeometry ogcGeometry = OGCGeometry.createFromOGCStructure(structure, SpatialReference.create(srid));
+                ByteBuffer buffer = ogcGeometry.asBinary();
+                byte[] wKBGeometryBuffer = buffer.array();
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                out.writeInt(wKBGeometryBuffer.length);
+                out.write(wKBGeometryBuffer);
+                result.set(resultStorage);
+
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromWKBDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromWKBDescriptor.java
new file mode 100644
index 0000000..ad3365e
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomFromWKBDescriptor.java
@@ -0,0 +1,113 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.ByteArraySerializerDeserializer;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+
+public class STGeomFromWKBDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STGeomFromWKBDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_GEOM_FROM_WKB;
+    }
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+
+                return new STGeomFromWKBEvaulator(args, ctx);
+            }
+        };
+    }
+
+    private class STGeomFromWKBEvaulator implements IScalarEvaluator {
+
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg;
+        private IScalarEvaluator eval;
+
+        public STGeomFromWKBEvaulator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg = new VoidPointable();
+            eval = args[0].createScalarEvaluator(ctx);
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval.evaluate(tuple, inputArg);
+            byte[] data = inputArg.getByteArray();
+            int offset = inputArg.getStartOffset();
+            int len = inputArg.getLength();
+
+            if (data[offset] != ATypeTag.SERIALIZED_BINARY_TYPE_TAG) {
+                throw new TypeMismatchException(BuiltinFunctions.ST_GEOM_FROM_WKB, 0, data[offset],
+                        ATypeTag.SERIALIZED_BINARY_TYPE_TAG);
+            }
+            try {
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                ByteArrayInputStream inStream = new ByteArrayInputStream(data, offset + 1, len - 1);
+                DataInputStream dataIn = new DataInputStream(inStream);
+                data = ByteArraySerializerDeserializer.read(dataIn);
+                out.writeInt(data.length);
+                out.write(data);
+                result.set(resultStorage);
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomentryTypeDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomentryTypeDescriptor.java
new file mode 100644
index 0000000..8e7ae39
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeomentryTypeDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STGeomentryTypeDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STGeomentryTypeDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.geometryType();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.GEOMETRY_TYPE;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeometryNDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeometryNDescriptor.java
new file mode 100644
index 0000000..9bf3699
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STGeometryNDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCGeometryCollection;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STGeometryNDescriptor extends AbstractSTGeometryNDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STGeometryNDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_GEOMETRY_N;
+    }
+
+    @Override
+    protected OGCGeometry evaluateOGCGeometry(OGCGeometry geometry, int n) throws HyracksDataException {
+        if (geometry instanceof OGCGeometryCollection) {
+            return ((OGCGeometryCollection) geometry).geometryN(n);
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STInteriorRingNDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STInteriorRingNDescriptor.java
new file mode 100644
index 0000000..25df415
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STInteriorRingNDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPolygon;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STInteriorRingNDescriptor extends AbstractSTGeometryNDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STInteriorRingNDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_INTERIOR_RING_N;
+    }
+
+    @Override
+    protected OGCGeometry evaluateOGCGeometry(OGCGeometry geometry, int n) throws HyracksDataException {
+        if (geometry instanceof OGCPolygon) {
+            return ((OGCPolygon) geometry).interiorRingN(n);
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIntersectionDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIntersectionDescriptor.java
new file mode 100644
index 0000000..6f3314e
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIntersectionDescriptor.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STIntersectionDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STIntersectionDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.intersection(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_INTERSECTION;
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIntersectsDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIntersectsDescriptor.java
new file mode 100644
index 0000000..1a4f37f
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIntersectsDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STIntersectsDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STIntersectsDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.intersects(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_INTERSECTS;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsClosedDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsClosedDescriptor.java
new file mode 100644
index 0000000..59edb4e
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsClosedDescriptor.java
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCCurve;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCGeometryCollection;
+import com.esri.core.geometry.ogc.OGCMultiCurve;
+import com.esri.core.geometry.ogc.OGCMultiPoint;
+import com.esri.core.geometry.ogc.OGCMultiPolygon;
+import com.esri.core.geometry.ogc.OGCPoint;
+import com.esri.core.geometry.ogc.OGCPolygon;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STIsClosedDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STIsClosedDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return isClosed(geometry);
+    }
+
+    private boolean isClosed(OGCGeometry geometry) {
+        if (geometry instanceof OGCCurve) {
+            return ((OGCCurve) geometry).isClosed();
+        } else if (geometry instanceof OGCMultiCurve) {
+            return ((OGCMultiCurve) geometry).isClosed();
+        } else if (geometry instanceof OGCMultiPoint || geometry instanceof OGCMultiPolygon
+                || geometry instanceof OGCPolygon || geometry instanceof OGCPoint) {
+            return true;
+        } else if (geometry instanceof OGCGeometryCollection) {
+            OGCGeometryCollection geometryCollection = (OGCGeometryCollection) geometry;
+            int num = geometryCollection.numGeometries();
+            for (int i = 0; i < num; ++i) {
+                if (!isClosed(geometryCollection.geometryN(i))) {
+                    return false;
+                }
+            }
+            return true;
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_IS_CLOSED;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsCollectionDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsCollectionDescriptor.java
new file mode 100644
index 0000000..92767e9
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsCollectionDescriptor.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STIsCollectionDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STIsCollectionDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        String type = geometry.geometryType();
+        return "GeometryCollection".equals(type) || "MultiLineString".equals(type) || "MultiPoint".equals(type)
+                || "MultiPolygon".equals(type);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_IS_COLLECTION;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsEmptyDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsEmptyDescriptor.java
new file mode 100644
index 0000000..acf20b7
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsEmptyDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STIsEmptyDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STIsEmptyDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.isEmpty();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_IS_EMPTY;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsRingDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsRingDescriptor.java
new file mode 100644
index 0000000..3c9375a
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsRingDescriptor.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCCurve;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STIsRingDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STIsRingDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCCurve) {
+            return ((OGCCurve) geometry).isRing();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_IS_RING;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsSimpleDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsSimpleDescriptor.java
new file mode 100644
index 0000000..fdb948f
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STIsSimpleDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STIsSimpleDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STIsSimpleDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.isSimple();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_IS_SIMPLE;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STLengthDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STLengthDescriptor.java
new file mode 100644
index 0000000..65fd085
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STLengthDescriptor.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Geometry;
+import com.esri.core.geometry.GeometryCursor;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCLineString;
+import com.esri.core.geometry.ogc.OGCMultiLineString;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STLengthDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STLengthDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCLineString) {
+            return geometry.getEsriGeometry().calculateLength2D();
+        } else if (geometry instanceof OGCMultiLineString) {
+            GeometryCursor cursor = geometry.getEsriGeometryCursor();
+            double length = 0;
+            Geometry geometry1 = cursor.next();
+            while (geometry1 != null) {
+                length += geometry1.calculateLength2D();
+                geometry1 = cursor.next();
+            }
+            return length;
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_LENGTH;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STLineFromMultiPointDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STLineFromMultiPointDescriptor.java
new file mode 100644
index 0000000..c783fe0
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STLineFromMultiPointDescriptor.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Point;
+import com.esri.core.geometry.Polyline;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCLineString;
+import com.esri.core.geometry.ogc.OGCMultiPoint;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STLineFromMultiPointDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STLineFromMultiPointDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCMultiPoint) {
+            Polyline polyline = new Polyline();
+            OGCMultiPoint multiPoint = (OGCMultiPoint) geometry;
+            int numPoints = multiPoint.numGeometries();
+            polyline.startPath((Point) multiPoint.geometryN(0).getEsriGeometry());
+            for (int i = 1; i < numPoints; i++) {
+                polyline.lineTo((Point) multiPoint.geometryN(i).getEsriGeometry());
+            }
+            return new OGCLineString(polyline, 0, SpatialReference.create(4326));
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_LINE_FROM_MULTIPOINT;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMDescriptor.java
new file mode 100644
index 0000000..46ce0fb
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STMDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STMDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCPoint) {
+            return ((OGCPoint) geometry).M();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_M;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakeEnvelopeDescriptorSRID.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakeEnvelopeDescriptorSRID.java
new file mode 100644
index 0000000..efb4032
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakeEnvelopeDescriptorSRID.java
@@ -0,0 +1,145 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Envelope;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.DataOutput;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public class STMakeEnvelopeDescriptorSRID extends AbstractGetValDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STMakeEnvelopeDescriptorSRID();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_MAKE_ENVELOPE;
+    }
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+
+                return new STMakeEnvelopeEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class STMakeEnvelopeEvaluator implements IScalarEvaluator {
+
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg0;
+        private IScalarEvaluator eval0;
+        private IPointable inputArg1;
+        private IScalarEvaluator eval1;
+        private IPointable inputArg2;
+        private IScalarEvaluator eval2;
+        private IPointable inputArg3;
+        private IScalarEvaluator eval3;
+        private IPointable inputArg4;
+        private IScalarEvaluator eval4;
+
+        public STMakeEnvelopeEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg0 = new VoidPointable();
+            eval0 = args[0].createScalarEvaluator(ctx);
+            inputArg1 = new VoidPointable();
+            eval1 = args[1].createScalarEvaluator(ctx);
+            inputArg2 = new VoidPointable();
+            eval2 = args[2].createScalarEvaluator(ctx);
+            inputArg3 = new VoidPointable();
+            eval3 = args[3].createScalarEvaluator(ctx);
+            inputArg4 = new VoidPointable();
+            eval4 = args[4].createScalarEvaluator(ctx);
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval0.evaluate(tuple, inputArg0);
+            byte[] data0 = inputArg0.getByteArray();
+            int offset0 = inputArg0.getStartOffset();
+
+            eval1.evaluate(tuple, inputArg1);
+            byte[] data1 = inputArg1.getByteArray();
+            int offset1 = inputArg1.getStartOffset();
+
+            eval2.evaluate(tuple, inputArg2);
+            byte[] data2 = inputArg2.getByteArray();
+            int offset2 = inputArg2.getStartOffset();
+
+            eval3.evaluate(tuple, inputArg3);
+            byte[] data3 = inputArg3.getByteArray();
+            int offset3 = inputArg3.getStartOffset();
+
+            eval4.evaluate(tuple, inputArg4);
+            byte[] data4 = inputArg4.getByteArray();
+            int offset4 = inputArg4.getStartOffset();
+
+            try {
+
+                OGCGeometry ogcGeometry =
+                        OGCGeometry
+                                .createFromEsriGeometry(
+                                        new Envelope(getVal(data0, offset0), getVal(data1, offset1),
+                                                getVal(data2, offset2), getVal(data3, offset3)),
+                                        SpatialReference.create((int) getVal(data4, offset4)));
+                ByteBuffer buffer = ogcGeometry.asBinary();
+                byte[] bytes = buffer.array();
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                out.writeInt(bytes.length);
+                out.write(bytes);
+                result.set(resultStorage);
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePoint3DDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePoint3DDescriptor.java
new file mode 100644
index 0000000..3c0ac97
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePoint3DDescriptor.java
@@ -0,0 +1,123 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Point;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.DataOutput;
+import java.io.IOException;
+
+public class STMakePoint3DDescriptor extends AbstractGetValDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STMakePoint3DDescriptor();
+        }
+    };
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
+                return new STMakePoint3DEvaluator(args, ctx);
+            }
+        };
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_MAKE_POINT3D;
+    }
+
+    private class STMakePoint3DEvaluator implements IScalarEvaluator {
+
+        private final ArrayBackedValueStorage resultStorage;
+        private final DataOutput out;
+        private IPointable inputArg0;
+        private IPointable inputArg1;
+        private IPointable inputArg2;
+        private final IScalarEvaluator eval0;
+        private final IScalarEvaluator eval1;
+        private final IScalarEvaluator eval2;
+        private Point point;
+        private AGeometry pointGeometry;
+
+        public STMakePoint3DEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg0 = new VoidPointable();
+            inputArg1 = new VoidPointable();
+            inputArg2 = new VoidPointable();
+            eval0 = args[0].createScalarEvaluator(ctx);
+            eval1 = args[1].createScalarEvaluator(ctx);
+            eval2 = args[2].createScalarEvaluator(ctx);
+            point = new Point(0, 0, 0);
+            pointGeometry = new AGeometry(new OGCPoint(point, SpatialReference.create(4326)));
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval0.evaluate(tuple, inputArg0);
+            eval1.evaluate(tuple, inputArg1);
+            eval2.evaluate(tuple, inputArg2);
+
+            byte[] bytes0 = inputArg0.getByteArray();
+            int offset0 = inputArg0.getStartOffset();
+            byte[] bytes1 = inputArg1.getByteArray();
+            int offset1 = inputArg1.getStartOffset();
+            byte[] bytes2 = inputArg2.getByteArray();
+            int offset2 = inputArg2.getStartOffset();
+
+            resultStorage.reset();
+            try {
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                point.setX(getVal(bytes0, offset0));
+                point.setY(getVal(bytes1, offset1));
+                point.setZ(getVal(bytes2, offset2));
+                AGeometrySerializerDeserializer.INSTANCE.serialize(pointGeometry, out);
+            } catch (IOException e1) {
+                throw HyracksDataException.create(e1);
+            }
+            result.set(resultStorage);
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePoint3DWithMDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePoint3DWithMDescriptor.java
new file mode 100644
index 0000000..424fb8f
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePoint3DWithMDescriptor.java
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Point;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.DataOutput;
+import java.io.IOException;
+
+public class STMakePoint3DWithMDescriptor extends AbstractGetValDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STMakePoint3DWithMDescriptor();
+        }
+    };
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
+                return new STMakePoint3DWithMEvaluator(args, ctx);
+            }
+        };
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_MAKE_POINT3D_M;
+    }
+
+    private class STMakePoint3DWithMEvaluator implements IScalarEvaluator {
+
+        private final ArrayBackedValueStorage resultStorage;
+        private final DataOutput out;
+        private IPointable inputArg0;
+        private IPointable inputArg1;
+        private IPointable inputArg2;
+        private IPointable inputArg3;
+        private final IScalarEvaluator eval0;
+        private final IScalarEvaluator eval1;
+        private final IScalarEvaluator eval2;
+        private final IScalarEvaluator eval3;
+        private Point point;
+        private AGeometry pointGeometry;
+
+        public STMakePoint3DWithMEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg0 = new VoidPointable();
+            inputArg1 = new VoidPointable();
+            inputArg2 = new VoidPointable();
+            inputArg3 = new VoidPointable();
+            eval0 = args[0].createScalarEvaluator(ctx);
+            eval1 = args[1].createScalarEvaluator(ctx);
+            eval2 = args[2].createScalarEvaluator(ctx);
+            eval3 = args[3].createScalarEvaluator(ctx);
+            point = new Point(0, 0, 0);
+            pointGeometry = new AGeometry(new OGCPoint(point, SpatialReference.create(4326)));
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval0.evaluate(tuple, inputArg0);
+            eval1.evaluate(tuple, inputArg1);
+            eval2.evaluate(tuple, inputArg2);
+            eval3.evaluate(tuple, inputArg3);
+
+            byte[] bytes0 = inputArg0.getByteArray();
+            int offset0 = inputArg0.getStartOffset();
+            byte[] bytes1 = inputArg1.getByteArray();
+            int offset1 = inputArg1.getStartOffset();
+            byte[] bytes2 = inputArg2.getByteArray();
+            int offset2 = inputArg2.getStartOffset();
+            byte[] bytes3 = inputArg3.getByteArray();
+            int offset3 = inputArg3.getStartOffset();
+
+            resultStorage.reset();
+            try {
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                point.setX(getVal(bytes0, offset0));
+                point.setY(getVal(bytes1, offset1));
+                point.setZ(getVal(bytes2, offset2));
+                point.setM(getVal(bytes3, offset3));
+                AGeometrySerializerDeserializer.INSTANCE.serialize(pointGeometry, out);
+            } catch (IOException e1) {
+                throw HyracksDataException.create(e1);
+            }
+            result.set(resultStorage);
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePointDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePointDescriptor.java
new file mode 100644
index 0000000..2d901a7
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STMakePointDescriptor.java
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Point;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.DataOutput;
+import java.io.IOException;
+
+public class STMakePointDescriptor extends AbstractGetValDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STMakePointDescriptor();
+        }
+    };
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
+                return new STMakePointEvaluator(args, ctx);
+            }
+        };
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_MAKE_POINT;
+    }
+
+    private class STMakePointEvaluator implements IScalarEvaluator {
+
+        private final ArrayBackedValueStorage resultStorage;
+        private final DataOutput out;
+        private IPointable inputArg0;
+        private IPointable inputArg1;
+        private final IScalarEvaluator eval0;
+        private final IScalarEvaluator eval1;
+        private Point point;
+        private AGeometry pointGeometry;
+
+        public STMakePointEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg0 = new VoidPointable();
+            inputArg1 = new VoidPointable();
+            eval0 = args[0].createScalarEvaluator(ctx);
+            eval1 = args[1].createScalarEvaluator(ctx);
+            point = new Point(0, 0);
+            pointGeometry = new AGeometry(new OGCPoint(point, SpatialReference.create(4326)));
+        }
+
+        @Override
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval0.evaluate(tuple, inputArg0);
+            eval1.evaluate(tuple, inputArg1);
+
+            byte[] bytes0 = inputArg0.getByteArray();
+            int offset0 = inputArg0.getStartOffset();
+            byte[] bytes1 = inputArg1.getByteArray();
+            int offset1 = inputArg1.getStartOffset();
+
+            resultStorage.reset();
+            try {
+                out.writeByte(ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+                point.setX(getVal(bytes0, offset0));
+                point.setY(getVal(bytes1, offset1));
+                AGeometrySerializerDeserializer.INSTANCE.serialize(pointGeometry, out);
+            } catch (IOException e1) {
+                throw HyracksDataException.create(e1);
+            }
+            result.set(resultStorage);
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNPointsDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNPointsDescriptor.java
new file mode 100644
index 0000000..8b1111b
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNPointsDescriptor.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Geometry;
+import com.esri.core.geometry.GeometryCursor;
+import com.esri.core.geometry.MultiVertexGeometry;
+import com.esri.core.geometry.Point;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STNPointsDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STNPointsDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        Geometry esriGeometry = geometry.getEsriGeometry();
+        if (esriGeometry != null && esriGeometry instanceof MultiVertexGeometry) {
+            return ((MultiVertexGeometry) esriGeometry).getPointCount();
+        } else if (esriGeometry instanceof Point) {
+            return 1;
+        } else if (esriGeometry == null) {
+            int count = 0;
+            GeometryCursor geometryCursor = geometry.getEsriGeometryCursor();
+            esriGeometry = geometryCursor.next();
+            while (esriGeometry != null) {
+                if (esriGeometry instanceof MultiVertexGeometry) {
+                    count += ((MultiVertexGeometry) esriGeometry).getPointCount();
+                } else if (esriGeometry instanceof Point) {
+                    count += 1;
+                }
+                esriGeometry = geometryCursor.next();
+            }
+            return count;
+        } else if (geometry.isEmpty()) {
+            return 0;
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_N_POINTS;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNRingsDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNRingsDescriptor.java
new file mode 100644
index 0000000..27e0490
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNRingsDescriptor.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCMultiPolygon;
+import com.esri.core.geometry.ogc.OGCPolygon;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STNRingsDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STNRingsDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCPolygon) {
+            return ((OGCPolygon) geometry).numInteriorRing() + 1;
+        } else if (geometry instanceof OGCMultiPolygon) {
+            OGCMultiPolygon polygon = (OGCMultiPolygon) geometry;
+            int numGeometries = polygon.numGeometries();
+            int count = 0;
+            for (int i = 1; i < numGeometries + 1; i++) {
+                if (polygon.geometryN(i) instanceof OGCPolygon) {
+                    count += ((OGCPolygon) polygon.geometryN(i)).numInteriorRing() + 1;
+                }
+            }
+            return count;
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_N_RINGS;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNumGeometriesDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNumGeometriesDescriptor.java
new file mode 100644
index 0000000..b8d0c52
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNumGeometriesDescriptor.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCGeometryCollection;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STNumGeometriesDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STNumGeometriesDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCGeometryCollection) {
+            return ((OGCGeometryCollection) geometry).numGeometries();
+        } else if (!geometry.isEmpty()) {
+            return 1;
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_NUM_GEOMETRIIES;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNumInteriorRingsDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNumInteriorRingsDescriptor.java
new file mode 100644
index 0000000..0c32ec5
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STNumInteriorRingsDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPolygon;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STNumInteriorRingsDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STNumInteriorRingsDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCPolygon) {
+            return ((OGCPolygon) geometry).numInteriorRing();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_NUM_INTERIOR_RINGS;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STOverlapsDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STOverlapsDescriptor.java
new file mode 100644
index 0000000..f131499
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STOverlapsDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STOverlapsDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STOverlapsDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.overlaps(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_OVERLAPS;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STPointNDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STPointNDescriptor.java
new file mode 100644
index 0000000..e3ce3e0
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STPointNDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCLineString;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STPointNDescriptor extends AbstractSTGeometryNDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STPointNDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_POINT_N;
+    }
+
+    @Override
+    protected OGCGeometry evaluateOGCGeometry(OGCGeometry geometry, int n) throws HyracksDataException {
+        if (geometry instanceof OGCLineString) {
+            return ((OGCLineString) geometry).pointN(n);
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STPolygonizeDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STPolygonizeDescriptor.java
new file mode 100644
index 0000000..56c79aa
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STPolygonizeDescriptor.java
@@ -0,0 +1,140 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.ogc.OGCConcreteGeometryCollection;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCGeometryCollection;
+import org.apache.asterix.dataflow.data.nontagged.serde.AOrderedListSerializerDeserializer;
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.asterix.om.base.IACollection;
+import org.apache.asterix.om.base.IACursor;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.AOrderedListType;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class STPolygonizeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STPolygonizeDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_POLYGONIZE;
+    }
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+
+                return new STPolygonizeEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class STPolygonizeEvaluator implements IScalarEvaluator {
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg;
+        private IScalarEvaluator eval;
+
+        public STPolygonizeEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx)
+                throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg = new VoidPointable();
+            eval = args[0].createScalarEvaluator(ctx);
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval.evaluate(tuple, inputArg);
+            byte[] bytes = inputArg.getByteArray();
+            int offset = inputArg.getStartOffset();
+            int len = inputArg.getLength();
+
+            AOrderedListType type = new AOrderedListType(BuiltinType.AGEOMETRY, null);
+            byte typeTag = inputArg.getByteArray()[inputArg.getStartOffset()];
+            ISerializerDeserializer serde;
+            if (typeTag == ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG) {
+                serde = new AOrderedListSerializerDeserializer(type);
+            } else if (typeTag == ATypeTag.SERIALIZED_UNORDEREDLIST_TYPE_TAG) {
+                serde = new AOrderedListSerializerDeserializer(type);
+            } else {
+                throw new TypeMismatchException(BuiltinFunctions.ST_POLYGONIZE, 0, typeTag,
+                        ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG, ATypeTag.SERIALIZED_UNORDEREDLIST_TYPE_TAG);
+            }
+
+            ByteArrayInputStream inStream = new ByteArrayInputStream(bytes, offset + 1, len - 1);
+            DataInputStream dataIn = new DataInputStream(inStream);
+            IACursor cursor = ((IACollection) serde.deserialize(dataIn)).getCursor();
+            List<OGCGeometry> list = new ArrayList<>();
+            while (cursor.next()) {
+                IAObject object = cursor.get();
+                list.add(((AGeometry) object).getGeometry());
+            }
+            OGCGeometryCollection geometryCollection =
+                    new OGCConcreteGeometryCollection(list, SpatialReference.create(4326));
+            try {
+                SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AGEOMETRY)
+                        .serialize(new AGeometry(geometryCollection), out);
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+            result.set(resultStorage);
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STRelateDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STRelateDescriptor.java
new file mode 100644
index 0000000..dc89943
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STRelateDescriptor.java
@@ -0,0 +1,148 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.asterix.dataflow.data.nontagged.serde.AStringSerializerDeserializer;
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.ABoolean;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.EnumDeserializer;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
+import org.apache.asterix.runtime.exceptions.TypeMismatchException;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.IOException;
+
+public class STRelateDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STRelateDescriptor();
+        }
+    };
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_RELATE;
+    }
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
+                return new STRelateEvaluator(args, ctx);
+            }
+        };
+    }
+
+    private class STRelateEvaluator implements IScalarEvaluator {
+        private ArrayBackedValueStorage resultStorage;
+        private DataOutput out;
+        private IPointable inputArg;
+        private IScalarEvaluator eval;
+        private IPointable inputArg0;
+        private IScalarEvaluator eval0;
+        private final IPointable inputArg1;
+        private final IScalarEvaluator eval1;
+
+        public STRelateEvaluator(IScalarEvaluatorFactory[] args, IHyracksTaskContext ctx) throws HyracksDataException {
+            resultStorage = new ArrayBackedValueStorage();
+            out = resultStorage.getDataOutput();
+            inputArg = new VoidPointable();
+            eval = args[2].createScalarEvaluator(ctx);
+            inputArg0 = new VoidPointable();
+            eval0 = args[0].createScalarEvaluator(ctx);
+            inputArg1 = new VoidPointable();
+            eval1 = args[1].createScalarEvaluator(ctx);
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+            eval.evaluate(tuple, inputArg);
+            byte[] bytes = inputArg.getByteArray();
+            int offset = inputArg.getStartOffset();
+            int len = inputArg.getLength();
+
+            eval0.evaluate(tuple, inputArg0);
+            byte[] bytes0 = inputArg0.getByteArray();
+            int offset0 = inputArg0.getStartOffset();
+            int len0 = inputArg0.getLength();
+
+            eval1.evaluate(tuple, inputArg1);
+            byte[] bytes1 = inputArg1.getByteArray();
+            int offset1 = inputArg1.getStartOffset();
+            int len1 = inputArg1.getLength();
+
+            if (bytes[offset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
+                throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
+            }
+            ATypeTag tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes0[offset0]);
+            if (tag != ATypeTag.GEOMETRY) {
+                throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0],
+                        ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+            tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes1[offset1]);
+            if (tag != ATypeTag.GEOMETRY) {
+                throw new TypeMismatchException(getIdentifier(), 0, bytes1[offset1],
+                        ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+
+            ByteArrayInputStream inStream = new ByteArrayInputStream(bytes, offset + 1, len - 1);
+            DataInputStream dataIn = new DataInputStream(inStream);
+            String matrix = AStringSerializerDeserializer.INSTANCE.deserialize(dataIn).getStringValue();
+            DataInputStream dataIn0 = new DataInputStream(new ByteArrayInputStream(bytes0, offset0 + 1, len0 - 1));
+            OGCGeometry geometry0 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn0).getGeometry();
+            DataInputStream dataIn1 = new DataInputStream(new ByteArrayInputStream(bytes1, offset1 + 1, len1 - 1));
+            OGCGeometry geometry1 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn1).getGeometry();
+            try {
+                boolean val = geometry0.relate(geometry1, matrix);
+                SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ABOOLEAN)
+                        .serialize(val ? ABoolean.TRUE : ABoolean.FALSE, out);
+            } catch (IOException e) {
+                throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
+            }
+            result.set(resultStorage);
+        }
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STSRIDDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STSRIDDescriptor.java
new file mode 100644
index 0000000..a46749d
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STSRIDDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STSRIDDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STSRIDDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.SRID();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_SRID;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STStartPointDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STStartPointDescriptor.java
new file mode 100644
index 0000000..988e781
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STStartPointDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCCurve;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STStartPointDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STStartPointDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCCurve) {
+            return ((OGCCurve) geometry).startPoint();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_START_POINT;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STSymDifferenceDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STSymDifferenceDescriptor.java
new file mode 100644
index 0000000..e92f56b
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STSymDifferenceDescriptor.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STSymDifferenceDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STSymDifferenceDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.symDifference(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_SYM_DIFFERENCE;
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STTouchesDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STTouchesDescriptor.java
new file mode 100644
index 0000000..93a947a
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STTouchesDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STTouchesDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STTouchesDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.touches(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_TOUCHES;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STUnionDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STUnionDescriptor.java
new file mode 100644
index 0000000..43891f0
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STUnionDescriptor.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STUnionDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STUnionDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.union(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_UNION;
+    }
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STWithinDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STWithinDescriptor.java
new file mode 100644
index 0000000..f563d61
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STWithinDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STWithinDescriptor extends AbstractSTDoubleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STWithinDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry0, OGCGeometry geometry1) throws HyracksDataException {
+        return geometry0.within(geometry1);
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_WITHIN;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXDescriptor.java
new file mode 100644
index 0000000..c796b1b
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STXDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STXDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCPoint) {
+            return ((OGCPoint) geometry).X();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_X;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXMaxDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXMaxDescriptor.java
new file mode 100644
index 0000000..19864bb
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXMaxDescriptor.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Envelope;
+import com.esri.core.geometry.Geometry;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STXMaxDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STXMaxDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        Geometry esriGeom = geometry.getEsriGeometry();
+        if (esriGeom != null) {
+            Envelope env = new Envelope();
+            esriGeom.queryEnvelope(env);
+            return env.getXMax();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_X_MAX;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXMinDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXMinDescriptor.java
new file mode 100644
index 0000000..12378c6
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STXMinDescriptor.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Envelope;
+import com.esri.core.geometry.Geometry;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STXMinDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STXMinDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        Geometry esriGeom = geometry.getEsriGeometry();
+        if (esriGeom != null) {
+            Envelope env = new Envelope();
+            esriGeom.queryEnvelope(env);
+            return env.getXMin();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_X_MIN;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYDescriptor.java
new file mode 100644
index 0000000..782370d
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STYDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STYDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCPoint) {
+            return ((OGCPoint) geometry).Y();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_Y;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYMaxDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYMaxDescriptor.java
new file mode 100644
index 0000000..83ea647
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYMaxDescriptor.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Envelope;
+import com.esri.core.geometry.Geometry;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STYMaxDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STYMaxDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        Geometry esriGeom = geometry.getEsriGeometry();
+        if (esriGeom != null) {
+            Envelope env = new Envelope();
+            esriGeom.queryEnvelope(env);
+            return env.getYMax();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_Y_MAX;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYMinDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYMinDescriptor.java
new file mode 100644
index 0000000..c6b5f36
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STYMinDescriptor.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.Envelope;
+import com.esri.core.geometry.Geometry;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STYMinDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STYMinDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        Geometry esriGeom = geometry.getEsriGeometry();
+        if (esriGeom != null) {
+            Envelope env = new Envelope();
+            esriGeom.queryEnvelope(env);
+            return env.getYMin();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_Y_MIN;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZDescriptor.java
new file mode 100644
index 0000000..b5b6d78
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZDescriptor.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.esri.core.geometry.ogc.OGCPoint;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STZDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STZDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        if (geometry instanceof OGCPoint) {
+            return ((OGCPoint) geometry).Z();
+        } else {
+            throw new UnsupportedOperationException(
+                    "The operation " + getIdentifier() + " is not supported for the type " + geometry.geometryType());
+        }
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_Z;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZMaxDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZMaxDescriptor.java
new file mode 100644
index 0000000..7933f08
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZMaxDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STZMaxDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STZMaxDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.MaxZ();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_Z_MAX;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZMinDescriptor.java b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZMinDescriptor.java
new file mode 100644
index 0000000..d0da92e
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/java/org/apache/asterix/geo/evaluators/functions/STZMinDescriptor.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.geo.evaluators.functions;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class STZMinDescriptor extends AbstractSTSingleGeometryDescriptor {
+
+    private static final long serialVersionUID = 1L;
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        @Override
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new STZMinDescriptor();
+        }
+    };
+
+    @Override
+    protected Object evaluateOGCGeometry(OGCGeometry geometry) throws HyracksDataException {
+        return geometry.MinZ();
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.ST_Z_MIN;
+    }
+
+}
diff --git a/asterixdb/asterix-geo/src/main/resources/META-INF/services/org.apache.asterix.om.functions.IFunctionRegistrant b/asterixdb/asterix-geo/src/main/resources/META-INF/services/org.apache.asterix.om.functions.IFunctionRegistrant
new file mode 100644
index 0000000..d9529e2
--- /dev/null
+++ b/asterixdb/asterix-geo/src/main/resources/META-INF/services/org.apache.asterix.om.functions.IFunctionRegistrant
@@ -0,0 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+org.apache.asterix.geo.evaluators.GeoFunctionRegistrant
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/BuiltinTypeMap.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/BuiltinTypeMap.java
index a531add..14f76eb 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/BuiltinTypeMap.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/BuiltinTypeMap.java
@@ -79,6 +79,7 @@
         _builtinTypeMap.put("null", BuiltinType.ANULL);
         _builtinTypeMap.put("uuid", BuiltinType.AUUID);
         _builtinTypeMap.put("shortwithouttypeinfo", BuiltinType.SHORTWITHOUTTYPEINFO);
+        _builtinTypeMap.put("geometry", BuiltinType.AGEOMETRY);
     }
 
     private BuiltinTypeMap() {
diff --git a/asterixdb/asterix-om/pom.xml b/asterixdb/asterix-om/pom.xml
index 45cf7c8..3be3e2f 100644
--- a/asterixdb/asterix-om/pom.xml
+++ b/asterixdb/asterix-om/pom.xml
@@ -122,5 +122,10 @@
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.esri.geometry</groupId>
+      <artifactId>esri-geometry-api</artifactId>
+      <version>2.0.0</version>
+    </dependency>
   </dependencies>
 </project>
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/adm/AObjectPrinterFactory.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/adm/AObjectPrinterFactory.java
index 21880dd..e58f210 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/adm/AObjectPrinterFactory.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/adm/AObjectPrinterFactory.java
@@ -20,6 +20,7 @@
 
 import java.io.PrintStream;
 
+import org.apache.asterix.dataflow.data.nontagged.printers.json.clean.AGeometryPrinterFactory;
 import org.apache.asterix.om.pointables.AListVisitablePointable;
 import org.apache.asterix.om.pointables.ARecordVisitablePointable;
 import org.apache.asterix.om.pointables.base.DefaultOpenFieldType;
@@ -116,6 +117,9 @@
             case SHORTWITHOUTTYPEINFO:
                 ShortWithoutTypeInfoPrinterFactory.PRINTER.print(b, s, l, ps);
                 return true;
+            case GEOMETRY:
+                AGeometryPrinterFactory.PRINTER.print(b, s, l, ps);
+                return true;
             default:
                 return false;
         }
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/json/clean/AGeometryPrinterFactory.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/json/clean/AGeometryPrinterFactory.java
new file mode 100644
index 0000000..8e51e35
--- /dev/null
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/json/clean/AGeometryPrinterFactory.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.dataflow.data.nontagged.printers.json.clean;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
+import org.apache.hyracks.algebricks.data.IPrinter;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.PrintStream;
+
+public class AGeometryPrinterFactory implements IPrinterFactory {
+
+    private static final long serialVersionUID = 1L;
+    public static final AGeometryPrinterFactory INSTANCE = new AGeometryPrinterFactory();
+
+    public static final IPrinter PRINTER = (byte[] b, int s, int l, PrintStream ps) -> {
+        ByteArrayInputStream inStream = new ByteArrayInputStream(b, s + 1, l - 1);
+        DataInput dataIn = new DataInputStream(inStream);
+        OGCGeometry geometry = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn).getGeometry();
+        ps.print(geometry.asGeoJson());
+    };
+
+    @Override
+    public IPrinter createPrinter() {
+        return PRINTER;
+    }
+}
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/json/clean/AObjectPrinterFactory.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/json/clean/AObjectPrinterFactory.java
index 5cae68c..27fc7eb 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/json/clean/AObjectPrinterFactory.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/printers/json/clean/AObjectPrinterFactory.java
@@ -113,6 +113,9 @@
             case UUID:
                 AUUIDPrinterFactory.PRINTER.print(b, s, l, ps);
                 return true;
+            case GEOMETRY:
+                AGeometryPrinterFactory.PRINTER.print(b, s, l, ps);
+                return true;
             default:
                 return false;
         }
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/serde/AGeometrySerializerDeserializer.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/serde/AGeometrySerializerDeserializer.java
new file mode 100644
index 0000000..14450b3
--- /dev/null
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/serde/AGeometrySerializerDeserializer.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.dataflow.data.nontagged.serde;
+
+import com.esri.core.geometry.OperatorImportFromWkb;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.WkbImportFlags;
+import com.esri.core.geometry.ogc.OGCGeometry;
+import org.apache.asterix.om.base.AGeometry;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public class AGeometrySerializerDeserializer implements ISerializerDeserializer<AGeometry> {
+
+    private static final long serialVersionUID = 1L;
+
+    public static final AGeometrySerializerDeserializer INSTANCE = new AGeometrySerializerDeserializer();
+
+    /**Use WGS 84 (EPSG:4326) as the default coordinate reference system*/
+    public static final SpatialReference DEFAULT_CRS = SpatialReference.create(4326);
+
+    private AGeometrySerializerDeserializer() {
+    }
+
+    @Override
+    public AGeometry deserialize(DataInput in) throws HyracksDataException {
+        try {
+            int length = in.readInt();
+            byte[] bytes = new byte[length];
+            in.readFully(bytes);
+            ByteBuffer buffer = ByteBuffer.wrap(bytes);
+            OGCGeometry geometry = OGCGeometry.createFromOGCStructure(
+                    OperatorImportFromWkb.local().executeOGC(WkbImportFlags.wkbImportDefaults, buffer, null),
+                    DEFAULT_CRS);
+            return new AGeometry(geometry);
+        } catch (IOException e) {
+            throw new HyracksDataException(e);
+        }
+    }
+
+    @Override
+    public void serialize(AGeometry instance, DataOutput out) throws HyracksDataException {
+        try {
+            OGCGeometry geometry = instance.getGeometry();
+            byte[] buffer = geometry.asBinary().array();
+            // For efficiency, we store the size of the geometry in bytes in the first 32 bits
+            // This allows AsterixDB to skip over this attribute if needed.
+            out.writeInt(buffer.length);
+            out.write(buffer);
+        } catch (IOException e) {
+            throw HyracksDataException.create(e);
+        }
+    }
+}
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/serde/AObjectSerializerDeserializer.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/serde/AObjectSerializerDeserializer.java
index aef4ca1..57f3449 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/serde/AObjectSerializerDeserializer.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/dataflow/data/nontagged/serde/AObjectSerializerDeserializer.java
@@ -30,6 +30,7 @@
 import org.apache.asterix.om.base.ADouble;
 import org.apache.asterix.om.base.ADuration;
 import org.apache.asterix.om.base.AFloat;
+import org.apache.asterix.om.base.AGeometry;
 import org.apache.asterix.om.base.AInt16;
 import org.apache.asterix.om.base.AInt32;
 import org.apache.asterix.om.base.AInt64;
@@ -120,6 +121,8 @@
                 return AOrderedListSerializerDeserializer.SCHEMALESS_INSTANCE.deserialize(in);
             case MULTISET:
                 return AUnorderedListSerializerDeserializer.SCHEMALESS_INSTANCE.deserialize(in);
+            case GEOMETRY:
+                return AGeometrySerializerDeserializer.INSTANCE.deserialize(in);
             default:
                 throw new NotImplementedException("No serializer/deserializer implemented for type " + typeTag + " .");
         }
@@ -213,6 +216,9 @@
             case TYPE:
                 ATypeSerializerDeserializer.INSTANCE.serialize((IAType) instance, out);
                 break;
+            case GEOMETRY:
+                AGeometrySerializerDeserializer.INSTANCE.serialize((AGeometry) instance, out);
+                break;
             default:
                 throw new HyracksDataException(
                         "No serializer/deserializer implemented for type " + t.getTypeTag() + " .");
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/formats/nontagged/SerializerDeserializerProvider.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/formats/nontagged/SerializerDeserializerProvider.java
index 6f281bd..7ede216 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/formats/nontagged/SerializerDeserializerProvider.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/formats/nontagged/SerializerDeserializerProvider.java
@@ -32,6 +32,7 @@
 import org.apache.asterix.dataflow.data.nontagged.serde.ADoubleSerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.ADurationSerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.AFloatSerializerDeserializer;
+import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.AInt16SerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.AInt32SerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.AInt64SerializerDeserializer;
@@ -162,6 +163,8 @@
                 return AUUIDSerializerDeserializer.INSTANCE;
             case SHORTWITHOUTTYPEINFO:
                 return ShortSerializerDeserializer.INSTANCE;
+            case GEOMETRY:
+                return AGeometrySerializerDeserializer.INSTANCE;
             default:
                 throw new NotImplementedException(
                         "No serializer/deserializer implemented for type " + aqlType.getTypeTag() + " .");
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/AGeometry.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/AGeometry.java
new file mode 100644
index 0000000..3b9c55d
--- /dev/null
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/AGeometry.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.om.base;
+
+import com.esri.core.geometry.ogc.OGCGeometry;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+
+import java.io.IOException;
+
+public class AGeometry implements IAObject {
+
+    protected OGCGeometry geometry;
+
+    public AGeometry(OGCGeometry geometry) {
+        this.geometry = geometry;
+    }
+
+    public OGCGeometry getGeometry() {
+        return geometry;
+    }
+
+    @Override
+    public IAType getType() {
+        return BuiltinType.AGEOMETRY;
+    }
+
+    @Override
+    public boolean deepEqual(IAObject obj) {
+        if (!(obj instanceof AGeometry)) {
+            return false;
+        } else {
+            AGeometry p = (AGeometry) obj;
+            return p.geometry.equals(geometry);
+        }
+    }
+
+    @Override
+    public int hash() {
+        return geometry.hashCode();
+    }
+
+    @Override
+    public String toString() {
+        return geometry.toString();
+    }
+
+    @Override
+    public ObjectNode toJSON() {
+        ObjectMapper om = new ObjectMapper();
+        ObjectNode json = null;
+        try {
+            json = (ObjectNode) om.readTree(geometry.asGeoJson());
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return json;
+    }
+}
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/AMutableGeometry.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/AMutableGeometry.java
new file mode 100644
index 0000000..346d68a
--- /dev/null
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/AMutableGeometry.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.om.base;
+
+import com.esri.core.geometry.OGCStructure;
+import com.esri.core.geometry.OperatorImportFromWkt;
+import com.esri.core.geometry.SpatialReference;
+import com.esri.core.geometry.WktImportFlags;
+import com.esri.core.geometry.ogc.OGCGeometry;
+
+public class AMutableGeometry extends AGeometry {
+
+    private OperatorImportFromWkt wktImporter;
+
+    public AMutableGeometry(OGCGeometry geom) {
+        super(geom);
+        wktImporter = OperatorImportFromWkt.local();
+    }
+
+    public void setValue(OGCGeometry geom) {
+        this.geometry = geom;
+    }
+
+    public void parseWKT(String wkt) {
+        OGCStructure structure;
+
+        structure = wktImporter.executeOGC(WktImportFlags.wktImportNonTrusted, wkt, null);
+        this.geometry = OGCGeometry.createFromOGCStructure(structure, SpatialReference.create(4326));
+    }
+}
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java
index 92617ee..03b5fc9 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java
@@ -36,6 +36,7 @@
 import org.apache.asterix.om.typecomputer.impl.ADoubleTypeComputer;
 import org.apache.asterix.om.typecomputer.impl.ADurationTypeComputer;
 import org.apache.asterix.om.typecomputer.impl.AFloatTypeComputer;
+import org.apache.asterix.om.typecomputer.impl.AGeometryTypeComputer;
 import org.apache.asterix.om.typecomputer.impl.AInt16TypeComputer;
 import org.apache.asterix.om.typecomputer.impl.AInt32TypeComputer;
 import org.apache.asterix.om.typecomputer.impl.AInt64TypeComputer;
@@ -207,6 +208,8 @@
             new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "get-object-field-value", 2);
     public static final FunctionIdentifier RECORD_PAIRS =
             new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "object-pairs", FunctionIdentifier.VARARGS);
+    public static final FunctionIdentifier GEOMETRY_CONSTRUCTOR =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-geom-from-geojson", FunctionIdentifier.VARARGS);
 
     // numeric
     public static final FunctionIdentifier NUMERIC_UNARY_MINUS =
@@ -728,6 +731,126 @@
     public static final FunctionIdentifier CREATE_QUERY_UID =
             new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "create-query-uid", 0);
 
+    //Geo
+    public static final FunctionIdentifier ST_AREA = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-area", 1);
+    public static final FunctionIdentifier ST_MAKE_POINT =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-make-point", 2);
+    public static final FunctionIdentifier ST_MAKE_POINT3D =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-make-point", 3);
+    public static final FunctionIdentifier ST_MAKE_POINT3D_M =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-make-point", 4);
+    public static final FunctionIdentifier ST_INTERSECTS =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-intersects", 2);
+    public static final FunctionIdentifier ST_UNION =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-union", 2);
+    public static final FunctionIdentifier ST_IS_COLLECTION =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-is-collection", 1);
+    public static final FunctionIdentifier ST_CONTAINS =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-contains", 2);
+    public static final FunctionIdentifier ST_CROSSES =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-crosses", 2);
+    public static final FunctionIdentifier ST_DISJOINT =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-disjoint", 2);
+    public static final FunctionIdentifier ST_EQUALS =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-equals", 2);
+    public static final FunctionIdentifier ST_OVERLAPS =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-overlaps", 2);
+    public static final FunctionIdentifier ST_TOUCHES =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-touches", 2);
+    public static final FunctionIdentifier ST_WITHIN =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-within", 2);
+    public static final FunctionIdentifier ST_IS_EMPTY =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-is-empty", 1);
+    public static final FunctionIdentifier ST_IS_SIMPLE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-is-simple", 1);
+    public static final FunctionIdentifier ST_COORD_DIM =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-coord-dim", 1);
+    public static final FunctionIdentifier ST_DIMENSION =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-dimension", 1);
+    public static final FunctionIdentifier GEOMETRY_TYPE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "geometry-type", 1);
+    public static final FunctionIdentifier ST_M = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-m", 1);
+    public static final FunctionIdentifier ST_N_RINGS =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-n-rings", 1);
+    public static final FunctionIdentifier ST_N_POINTS =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-n-points", 1);
+    public static final FunctionIdentifier ST_NUM_GEOMETRIIES =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-num-geometries", 1);
+    public static final FunctionIdentifier ST_NUM_INTERIOR_RINGS =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-num-interior-rings", 1);
+    public static final FunctionIdentifier ST_SRID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-srid", 1);
+    public static final FunctionIdentifier ST_X = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-x", 1);
+    public static final FunctionIdentifier ST_Y = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-y", 1);
+    public static final FunctionIdentifier ST_X_MAX =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-x-max", 1);
+    public static final FunctionIdentifier ST_X_MIN =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-x-min", 1);
+    public static final FunctionIdentifier ST_Y_MAX =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-y-max", 1);
+    public static final FunctionIdentifier ST_Y_MIN =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-y-min", 1);
+    public static final FunctionIdentifier ST_Z = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-z", 1);
+    public static final FunctionIdentifier ST_Z_MIN =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-z-min", 1);
+    public static final FunctionIdentifier ST_Z_MAX =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-z-max", 1);
+    public static final FunctionIdentifier ST_AS_BINARY =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-as-binary", 1);
+    public static final FunctionIdentifier ST_AS_TEXT =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-as-text", 1);
+    public static final FunctionIdentifier ST_AS_GEOJSON =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-as-geojson", 1);
+    public static final FunctionIdentifier ST_DISTANCE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-distance", 2);
+    public static final FunctionIdentifier ST_LENGTH =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-length", 1);
+    public static final FunctionIdentifier SCALAR_ST_UNION_AGG =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-union", 1);
+    public static final FunctionIdentifier ST_UNION_AGG =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-union-agg", 1);
+    public static final FunctionIdentifier ST_GEOM_FROM_TEXT =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-geom-from-text", 1);
+    public static final FunctionIdentifier ST_GEOM_FROM_TEXT_SRID =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-geom-from-text", 2);
+    public static final FunctionIdentifier ST_GEOM_FROM_WKB =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-geom-from-wkb", 1);
+    public static final FunctionIdentifier ST_GEOM_FROM_WKB_SRID =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-geom-from-wkb", 2);
+    public static final FunctionIdentifier ST_LINE_FROM_MULTIPOINT =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-line-from-multipoint", 1);
+    public static final FunctionIdentifier ST_MAKE_ENVELOPE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-make-envelope", 5);
+    public static final FunctionIdentifier ST_IS_CLOSED =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-is-closed", 1);
+    public static final FunctionIdentifier ST_IS_RING =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-is-ring", 1);
+    public static final FunctionIdentifier ST_RELATE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-relate", 3);
+    public static final FunctionIdentifier ST_BOUNDARY =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-boundary", 1);
+    public static final FunctionIdentifier ST_END_POINT =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-end-point", 1);
+    public static final FunctionIdentifier ST_ENVELOPE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-envelope", 1);
+    public static final FunctionIdentifier ST_EXTERIOR_RING =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-exterior-ring", 1);
+    public static final FunctionIdentifier ST_GEOMETRY_N =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-geometry-n", 2);
+    public static final FunctionIdentifier ST_INTERIOR_RING_N =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-interior-ring-n", 2);
+    public static final FunctionIdentifier ST_POINT_N =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-point-n", 2);
+    public static final FunctionIdentifier ST_START_POINT =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-start-point", 1);
+    public static final FunctionIdentifier ST_DIFFERENCE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-difference", 2);
+    public static final FunctionIdentifier ST_INTERSECTION =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-intersection", 2);
+    public static final FunctionIdentifier ST_SYM_DIFFERENCE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-sym-difference", 2);
+    public static final FunctionIdentifier ST_POLYGONIZE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "st-polygonize", 1);
+
     // Spatial and temporal type accessors
     public static final FunctionIdentifier ACCESSOR_TEMPORAL_YEAR =
             new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "get-year", 1);
@@ -1183,6 +1306,71 @@
         addFunction(GET_CIRCLE_CENTER_ACCESSOR, APointTypeComputer.INSTANCE, true);
         addFunction(GET_POINTS_LINE_RECTANGLE_POLYGON_ACCESSOR, OrderedListOfAPointTypeComputer.INSTANCE, true);
 
+        //geo functions
+        addFunction(ST_AREA, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_MAKE_POINT, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_MAKE_POINT3D, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_MAKE_POINT3D_M, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_INTERSECTS, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_UNION, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_IS_COLLECTION, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_CONTAINS, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_CROSSES, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_DISJOINT, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_EQUALS, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_OVERLAPS, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_TOUCHES, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_WITHIN, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_IS_EMPTY, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_IS_SIMPLE, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_IS_COLLECTION, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_COORD_DIM, AInt32TypeComputer.INSTANCE, true);
+        addFunction(ST_DIMENSION, AInt32TypeComputer.INSTANCE, true);
+        addFunction(GEOMETRY_TYPE, AStringTypeComputer.INSTANCE, true);
+        addFunction(ST_M, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_N_RINGS, AInt32TypeComputer.INSTANCE, true);
+        addFunction(ST_N_POINTS, AInt32TypeComputer.INSTANCE, true);
+        addFunction(ST_NUM_GEOMETRIIES, AInt32TypeComputer.INSTANCE, true);
+        addFunction(ST_NUM_INTERIOR_RINGS, AInt32TypeComputer.INSTANCE, true);
+        addFunction(ST_SRID, AInt32TypeComputer.INSTANCE, true);
+        addFunction(ST_X, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_Y, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_X_MAX, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_X_MIN, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_Y_MAX, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_Y_MIN, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_Z, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_Z_MIN, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_Z_MAX, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_AS_BINARY, ABinaryTypeComputer.INSTANCE, true);
+        addFunction(ST_AS_TEXT, AStringTypeComputer.INSTANCE, true);
+        addFunction(ST_AS_GEOJSON, AStringTypeComputer.INSTANCE, true);
+        addFunction(ST_DISTANCE, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_LENGTH, ADoubleTypeComputer.INSTANCE, true);
+        addFunction(ST_GEOM_FROM_TEXT, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_GEOM_FROM_TEXT_SRID, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_GEOM_FROM_WKB, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_GEOM_FROM_WKB_SRID, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_LINE_FROM_MULTIPOINT, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_MAKE_ENVELOPE, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_IS_CLOSED, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_IS_RING, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_RELATE, ABooleanTypeComputer.INSTANCE, true);
+        addFunction(ST_BOUNDARY, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_END_POINT, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_ENVELOPE, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_EXTERIOR_RING, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_GEOMETRY_N, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_INTERIOR_RING_N, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_POINT_N, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_DIFFERENCE, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_START_POINT, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_INTERSECTION, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_SYM_DIFFERENCE, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(SCALAR_ST_UNION_AGG, AGeometryTypeComputer.INSTANCE, true);
+        addPrivateFunction(ST_UNION_AGG, AGeometryTypeComputer.INSTANCE, true);
+        addFunction(ST_POLYGONIZE, AGeometryTypeComputer.INSTANCE, true);
+
         // Binary functions
         addFunction(BINARY_HEX_CONSTRUCTOR, ABinaryTypeComputer.INSTANCE, true);
         addFunction(BINARY_BASE64_CONSTRUCTOR, ABinaryTypeComputer.INSTANCE, true);
@@ -1215,6 +1403,7 @@
         addFunction(GET_RECORD_FIELDS, OrderedListOfAnyTypeComputer.INSTANCE, true);
         addFunction(GET_RECORD_FIELD_VALUE, FieldAccessNestedResultType.INSTANCE, true);
         addFunction(RECORD_PAIRS, RecordPairsTypeComputer.INSTANCE, true);
+        addFunction(GEOMETRY_CONSTRUCTOR, AGeometryTypeComputer.INSTANCE, true);
 
         // temporal type accessors
         addFunction(ACCESSOR_TEMPORAL_YEAR, AInt64TypeComputer.INSTANCE, true);
@@ -1546,6 +1735,13 @@
 
         addDistinctAgg(SQL_SUM_DISTINCT, SCALAR_SQL_SUM);
         addScalarAgg(SQL_SUM_DISTINCT, SCALAR_SQL_SUM_DISTINCT);
+
+        // SPATIAL AGGREGATES
+
+        addAgg(ST_UNION_AGG);
+        addLocalAgg(ST_UNION_AGG, ST_UNION_AGG);
+        addIntermediateAgg(ST_UNION_AGG, ST_UNION_AGG);
+        addGlobalAgg(ST_UNION_AGG, ST_UNION_AGG);
     }
 
     static {
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/AGeometryTypeComputer.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/AGeometryTypeComputer.java
new file mode 100644
index 0000000..e85410ab5
--- /dev/null
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/AGeometryTypeComputer.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.om.typecomputer.impl;
+
+import org.apache.asterix.om.typecomputer.base.AbstractResultTypeComputer;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+
+public class AGeometryTypeComputer extends AbstractResultTypeComputer {
+
+    public static final AGeometryTypeComputer INSTANCE = new AGeometryTypeComputer();
+
+    private AGeometryTypeComputer() {
+    }
+
+    @Override
+    protected IAType getResultType(ILogicalExpression expr, IAType... strippedInputTypes) throws AlgebricksException {
+        return BuiltinType.AGEOMETRY;
+    }
+}
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/ATypeTag.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/ATypeTag.java
index 825ed70..a79588d 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/ATypeTag.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/ATypeTag.java
@@ -66,7 +66,8 @@
     DAYTIMEDURATION(37),
     UUID(38),
     SHORTWITHOUTTYPEINFO(40),
-    NULL(41);
+    NULL(41),
+    GEOMETRY(42);
 
     /*
      * Serialized Tags begin
@@ -100,6 +101,7 @@
     public static final byte SERIALIZED_FLOAT_TYPE_TAG = FLOAT.serialize();
     public static final byte SERIALIZED_BINARY_TYPE_TAG = BINARY.serialize();
     public static final byte SERIALIZED_UUID_TYPE_TAG = UUID.serialize();
+    public static final byte SERIALIZED_GEOMETRY_TYPE_TAG = GEOMETRY.serialize();
 
     /*
      * Serialized Tags end
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/BuiltinType.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/BuiltinType.java
index 3037e7c..a36e0e4 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/BuiltinType.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/BuiltinType.java
@@ -682,6 +682,33 @@
         }
     };
 
+    public final static BuiltinType AGEOMETRY = new LowerCaseConstructorType() {
+
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        public String getDisplayName() {
+            return "AGEOMETRY";
+        }
+
+        @Override
+        public ATypeTag getTypeTag() {
+            return ATypeTag.GEOMETRY;
+        }
+
+        @Override
+        public String getTypeName() {
+            return "geometry";
+        }
+
+        @Override
+        public ObjectNode toJSON() {
+            ObjectNode type = new ObjectMapper().createObjectNode();
+            type.put("type", "AGEOMETRY");
+            return type;
+        }
+    };
+
     public final static BuiltinType ACIRCLE = new LowerCaseConstructorType() {
 
         private static final long serialVersionUID = 1L;
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/TypeTagUtil.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/TypeTagUtil.java
index cfc1b55..254dbee 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/TypeTagUtil.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/types/TypeTagUtil.java
@@ -88,6 +88,8 @@
                 return AUnorderedListType.FULLY_OPEN_UNORDEREDLIST_TYPE;
             case ARRAY:
                 return AOrderedListType.FULL_OPEN_ORDEREDLIST_TYPE;
+            case GEOMETRY:
+                return BuiltinType.AGEOMETRY;
             default:
                 // TODO(tillw) should be an internal error
                 throw new HyracksDataException("Typetag " + typeTag + " is not a built-in type");
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/utils/NonTaggedFormatUtil.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/utils/NonTaggedFormatUtil.java
index 8558538..7da0263 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/utils/NonTaggedFormatUtil.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/utils/NonTaggedFormatUtil.java
@@ -21,6 +21,7 @@
 import org.apache.asterix.common.config.DatasetConfig.IndexType;
 import org.apache.asterix.common.exceptions.ErrorCode;
 import org.apache.asterix.dataflow.data.nontagged.serde.AInt16SerializerDeserializer;
+import org.apache.asterix.dataflow.data.nontagged.serde.AInt32SerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.AIntervalSerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.AOrderedListSerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.ARecordSerializerDeserializer;
@@ -68,6 +69,7 @@
             case ARRAY:
             case MULTISET:
             case POLYGON:
+            case GEOMETRY:
             case ANY:
                 return false;
             default:
@@ -193,6 +195,14 @@
                 } else {
                     return AUnorderedListSerializerDeserializer.getUnorderedListLength(serNonTaggedAObject, offset) - 1;
                 }
+            case GEOMETRY:
+                // Since Geometry is variable size, we store its size at the first 32 bits for efficiency
+                // @see: STGeomFromTextDescriptor#createEvaluatorFactory, AGeometrySerializerDeserializer#serialize
+                if (tagged) {
+                    return AInt32SerializerDeserializer.getInt(serNonTaggedAObject, offset + 1) + 4;
+                } else {
+                    return AInt32SerializerDeserializer.getInt(serNonTaggedAObject, offset) + 4;
+                }
             default:
                 throw new NotImplementedException(
                         "No getLength implemented for a value of this type " + typeTag + " .");
diff --git a/asterixdb/asterix-server/pom.xml b/asterixdb/asterix-server/pom.xml
index fd6dd79..c334509 100644
--- a/asterixdb/asterix-server/pom.xml
+++ b/asterixdb/asterix-server/pom.xml
@@ -372,6 +372,7 @@
             <usedDependency>org.apache.asterix:asterix-external-data</usedDependency>
             <usedDependency>org.codehaus.mojo.appassembler:appassembler-booter</usedDependency>
             <usedDependency>org.apache.asterix:asterix-fuzzyjoin</usedDependency>
+            <usedDependency>org.apache.asterix:asterix-geo</usedDependency>
           </usedDependencies>
         </configuration>
       </plugin>
@@ -625,5 +626,10 @@
       <artifactId>hyracks-test-support</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apache.asterix</groupId>
+      <artifactId>asterix-geo</artifactId>
+      <version>${project.version}</version>
+    </dependency>
   </dependencies>
 </project>
diff --git a/asterixdb/pom.xml b/asterixdb/pom.xml
index b555cde..45d5297 100644
--- a/asterixdb/pom.xml
+++ b/asterixdb/pom.xml
@@ -802,6 +802,7 @@
     <module>asterix-active</module>
     <module>asterix-client-helper</module>
     <module>asterix-license</module>
+    <module>asterix-geo</module>
   </modules>
 
   <dependencyManagement>